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649:. The Florissant Formation itself is composed of alternating units of shale, mudstone, conglomerate, and volcanic deposits. There are six described units within the Florissant Formation. In order from bottom to top: the lower shale unit, lower mudstone unit, middle shale unit, caprock conglomerate unit, upper shale unit, and the upper pumice unit. Each of the shale units represents lacustrine environments, composed of very thin shales that are abundant in fossils, which alternate with tuffs from eruptions. The lower mudstone has been interpreted as a stream environment with the top of the unit being a
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of gross appearance based on climatic factors, the mean average temperature (or MAT) has been estimated to be around 13 °C, much warmer than the modern MAT at
Florissant of 4 °C. There have also been estimates that the MAT was between 16 and 18 °C, based on comparisons to the closest living relatives of the plants. There are also indications that the seasonal changes in the area were not as great as what is seen in modern times. Estimates of MAT, based on pollen, have put the temperature as high as 17.5 °C, but pollen is arguably less diagnostic than leaves. .
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665:, although the exact timing of the orogeny is debated In the late Eocene to the Early Oligocene, volcanic episodes began to occur to the southwest of the Florissant area. These episodes of eruption would deposit ash and other volcanic debris on the Florissant location, and the volcanic material would be one of the most important factors in the fossilization of the plants and animals that are so abundant in the formation. The fossil bearing paper shales are intercalated with larger deposits of volcanic material.
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1047:, an elephant-sized animal with a pair of thick horns on the top of its head. All of this information is based on fragmented vertebrae and small pieces of tooth enamel. The oreodont, is an extinct family that resembles modern sheep and pigs. The only oreodont specimen is a jaw fragment. Other mammals have been described in the formation based on teeth specimens. In all, around a dozen mammalian taxa have been discovered and described in the Florissant.
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meters have been proposed. This would indicate that global climate change, rather than tectonic uplift, would be the main cause of changing environments in the area. The actual elevation of the
Florissant area during the Eocene is still being determined. While most of the analysis using paleoflora has the area at a higher elevation than modern times, there is evidence that the elevation was as low as the earlier estimates.
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893:, but no fully identified body fossils of them have been discovered yet. One unusual aspect of the spiders found in the formation is that they are not found with their legs curled in, but instead they are fully extended. This could indicate that they died in warmer temperature or acidic waters. The insects that are found in the ash-clay beds are diverse and numerous.
977:, and other insects have all been found in the Florissant. Of these, the beetles are the most diverse and dominate in number of specimens found as fossils. About 38% of the specimens found in the fossil beds are varieties of beetle. These fossils are aquatic and terrestrial insects, giving insight into the ecology and biology of the area.
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1010:. Most of these were bottom dwellers, except the perches, and many were tolerant of poor water conditions. Most of the fish have been found in the same shale layers versus other shale layers. This could indicate that there were more tolerable times for fish populations over the history of the lake than other times.
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Early estimates of the elevation of the
Florissant beds was determined to be between 300 and 900 meters, much lower than the modern elevation of 2,500-2,600 meters. However, more recent estimates that are based on paleoflora have put the elevation in the Eocene much higher. Ranges from 1,900 to 4,100
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Comparing fossil plants and leaves to modern analogs enables inferences about the climate to be made based on physiological and morphological similarities. One of the best ways to do this is by studying the characteristics of the leaves that have been found. By looking at the physiognomy, or analysis
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have been recorded from
Florissant, where they would have been expected. No explanation for the lack has been proposed, given the nearly 40,000 specimens from this location held by museums. The toxicity of the water due to volcanic activity could be to blame, but there are documented cases of aquatic
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There is a large diversity of plants in the beds of the
Florissant Formation, ranging from large redwoods to microscopic pollen. The petrified forest is one of the main tourist attractions at the monument with an estimated 30 preserved stumps. They are among the largest petrified stumps in the world.
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The
Florissant was deposited in a paleovalley after one of the lahars dammed it up. The resulting lake became as large as 36 km. There were two cycles of lake environments. The first one created the lower shale unit, while the second lake created the middle and upper shale units. Eventually, the
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The fossilized algae and aquatic angiosperms indicate that the lake was freshwater and shallow. Near the streams and shore, moisture was plentiful, allowing lush vegetation to grow. However, further up the hillsides was more dry-adapted vegetation. At the base of the valley, trees (such as sequoias)
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Tree-ring analysis indicates that the environment that the redwoods grew in during the time of sediment deposition would have been even more favorable than the current climate that the redwoods in
California grow in. The average ring width, one year of growth, is larger than the width of redwoods in
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Ostracods are believed to have fed on algae on the bottom of the lake. Most of the fossil examples of ostracod come from the preserved carapaces, or feeding appendages. Only one species of ostracods has been described so far. Several freshwater mollusks have been identified, including freshwater and
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Benthic diatoms are the dominant type of siliceous algae found in the beds. These are easy to fossilize due to their silica shells. During periods of volcanism, the influxes of silica from volcanic ash lead to blooms of algae, which lead to algal mats and the exceptional preservation of the fossils.
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to the lake. The lahars then covered the base of the redwoods that were living at the time, and the trunks of the trees became harder and fossilized. Through permineralization, the precipitates that were in the ground water flowed through the tree trunks, replacing the original matter with siliceous
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Based on the small size and the features of the teeth, the precipitation during the late Eocene to early
Oligocene has been estimated to be around 50-80 centimeters per year, with a distinct dry season. This is much wetter than the average 38 cm that falls in the area during modern times. Most
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Fossil plants, and in particular their leaves, have been the most useful sources of information of paleoclimate during the time of deposition of the
Florissant Formation. Plants have a smaller tolerance on average to climatic changes, whereas many animals can be mobile and respond to rapid seasonal
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have been found. With such a large number of species identified in this location, it becomes apparent that the environment was ideal for a large range of animals to survive in the area. The great preservation of these animals gives insight into the environment that they survived in, as well as some
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and die-offs. The diatom blooms and die-offs created layers of ash-clay deposits, called couplets, resulting in many thin layers. Each microlayer of ash and clay was compacted by overlaying sediments to create "paper shales" (usually between 0.1 and 1.0 mm thick). Within these paper shales the
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that went through the valley could have dammed up the valley, allowing for the creation of a lake. The middle and upper shale units were then deposited in this second generation of the lake. The caprock conglomerate was deposited as a large lahar went through the valley and accumulated down on the
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Most of the rocks that were deposited after the
Oligocene and before the Pleistocene have been eroded away. Most of the remaining units are composed of clasts of weathered Pikes Peak Granite, volcanics, and mud that were transported by streams that flowed through the area. Some mammoth bones have
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Insects from the area indicate different habitats as well. There are exclusively aquatic insects, such as dragonflies, that would have lived their entire lives on or near the lake. Meanwhile, the bees and butterflies would have preferred more open spaces in the surrounding hillsides and meadows.
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The Florissant Formation is also known for its fossilized leaves and the impressions they made. There are also specimens of fruits, seeds, cones, and flowers, which are all preserved in the paper shales of the formation. Most of the leaves come from trees and shrubs. Angiosperms are the dominant
699:, the volcano had eruptions that included domes, lava flows, and pyroclastic events. Ash from these events settled throughout the area and lahars flowed down the valleys. The ash that settled created the tuff, and the lahars formed the mudstones and the conglomerates of the Florissant formation.
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In 1969, the Florissant Fossil Bed National Monument was established after a long legal battle between local land owners and the federal government. Today, the park receives approximately 60,000 visitors a year, and is the site of ongoing paleontological investigations. The formation itself was
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comes from the French word for flowering. In the late 19th century tourist and excavators came to this location to observe the wildlife and collect samples for collections and study. The Petrified Forest, which is one of the main attractions at the monument today, lost much of its mass due to
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material to the modern redwoods of California. The foliage in the fossils is thinner and the female cones are smaller than the modern examples. There have been more than 130 species of pollen that have been identified in the shale beds at Florissant. These species represent samples from many
742:. As the plants and animals died off, their leaves and bodies fell into the lake and eventually large amounts of organic matter accumulated at the bottom of the lake. This process was repeated often, possibly yearly, as the runoff from rain collected in the lake, causing cyclical
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dominated the landscape. The understory of this forest would have been composed of smaller trees and shrubs. There would have been a gradual transition between the different habitats from the base of the valley up the hillsides, with some overlap between the two.
738:, whose shells were also composed of silica. The influx of more silica caused the diatoms to bloom in the lake. As the population of the diatoms massively increased, the stress from the volcanic episodes at the same time caused large die-offs of the local
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volcanoes became dormant and started to erode away. Over time, the volcanoes became so eroded that there are no more obvious signs of them on the surface. Instead, the Eocene erosional surface is the only remnant of the area's volcanoes.
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The volcanic material that caused so much destruction led to the preservation of the fossils within the Florissant Formation's shales and mudstones. As the ash was deposited on the landscape, it was carried by water through streams and
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The vertebrate fossils in the Florissant are predominantly small fragments of incomplete bones. There have been a few described species of vertebrates, mostly fish, but also birds and mammals. The fish discovered at the site include
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aged Pikes Peak Granite. There is an unconformity from the Pikes Peak Granite to the next unit, the Wall Mountain tuff. The massive unconformity is due to erosion that occurred during the uplift of the modern Rocky Mountains, the
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Within the lake itself, the volcanic deposits were periodically deposited into the lake either through direct deposition or though weathering. The volcanic material was rich in silica. Living in the lake at the time were
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1043:. The horse would have been small, about as large as a medium-sized dog, with three toes on each foot. All this information is based on a complete lower jaw. The largest mammal that has been discovered so far is a
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Worley-Georg, M., & Eberle, J. J. (2006). Additions to the chadronian mammalian fauna, florissant formation, florissant fossil beds national monument, colorado. Journal of Vertebrate Paleontology, 26(3),
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Steven, T. A. (1997). Middle and Late Cenozoic Tectonic and Geomorphic Development of the Front Range of Colorado. Rocky Mountain Association of Geologists, 1997, Colorado Front Range Guide Book, p. 115-125
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Harding, I. C., & Chant, L. S. (2000). Self-Sedimented Diatom Mats as Agents of Exceptional Fossil Preservation in the Oligocene Florissant Lake Beds, Colorado, United States. Geology (Boulder), 28(3),
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Dickinson, W. R. et al (1988). Paleogeographic and Paleotectonic Setting of the Laramide Sedimentary Basins in the Central Rocky Mountain Region, Geological Society of America Bulletin, v. 100, p. 1023-1039
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best preserved fossils can be found in the formation. Based on this information, it has been estimated that the lake could have lasted 2,500 to 5,000 years, if the diatom couplets represent annual cycles.
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McIntosh, W. C.; Geissman, J. W.; Chapin, C. E.; Kunk, M. J.; Henry, C. D. (1 May 1992). "Calibration of the latest Eocene-Oligocene geomagnetic polarity time scale using 40Ar/39Ar dated ignimbrites".
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Larsen, D. (2000) Upper Eocene and Oligocene Lacustrine Deposits of the Southwestern United States, with Emphasis on the Creede and Florissant Formations. AAPG Studies in Geology, v. 46, p. 425-438
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Thoene, J., Dena, M., Cesar, R., & Herbert, W. (2012). Depositional setting and fossil insect preservation; a study of the late eocene florissant formation, colorado. Palaios, 27(7), 481-488.
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Gregory, K. M., & Chase, C. G. (1992). Tectonic significance of paleobotanically estimated climate and altitude of the late eocene erosion surface, Colorado. Geology (Boulder), 20(7), 581-585
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Wobus, R. A. et al. (1990). Geochemistry of high-potassium rocks from the mid-Tertiary Guffey volcanic center, Thirtynine Mile volcanic field, central Colorado, Geology, V. 18, No 7, p. 642-445
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deposit. The mudstones were deposited on a valley floor, but not in a lake. The separation of the shale units by non-lake deposits could mean that there were two generations of lake deposits.
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556:. The formation is noted for the abundant and exceptionally preserved insect and plant fossils that are found in the mudstones and shales. Based on argon radiometric dating, the formation is
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560:(approximately 34 million years old ) in age and has been interpreted as a lake environment. The fossils have been preserved because of the interaction of the volcanic ash from the nearby
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central California. Towards the end of the Eocene, the global temperature began to decrease. However, this episode of global cooling is not indicated in the fossil record at Florissant.
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Chapin, C. E., & Epis, R. C. (1964). Some Stratigraphic and Structural Features of the Thirtynine Mile Volcanic Field, Central Colorado. The Mountain Geologist, V. 1, p. 145-159
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Meyer, H. W. (2007). A Review of Paleotemperature-Lapse rate Methods for Estimating Paleoelevation from Fossil Floras. Reviews in Mineralogy and Geochemistry, v. 66, p. 155-177
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Around 25–30 kilometers to the southwest, a series of stratovolcanoes, similar to modern day volcanoes like Mt. St Helens, developed and erupted periodically. Called the
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with diatoms in the lake, causing a diatom bloom. As the diatoms fell to the bottom of the lake, any plants or animals that had recently died were preserved by the
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such as clams and snails. Of these, the most significant seem to be the spiders and insects, of which over 1,500 species have been identified in the fossil beds.
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1025:. Other birds were described in early literature from the 19th century, but the exact identification of these samples cannot be done due to lack of information.
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Meyer, H. W. & Weber, L. (1995). Florissant Fossil Beds National Monument: Preservation of an Ancient Ecosystem. Rocks and Minerals, v. 70, p. 232-239
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Chapin, C. E., & Cather, S. M. (1983). Eocene Tectonics and Sedimentation in the Colorado Plateau, Rocky mountain Association of Geologists, p. 33-54
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In the late Eocene to early Oligocene, approximately 34 million years ago, the area was a lake environment with redwood trees. The basement is the
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793:). These trees could have been as tall as 60 m (200 ft) until they were killed by lahars suffocating the oxygen supply to their roots.
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Evanoff, Emmett; McIntosh, W.C.; Murphey, P.C. (2001). "Stratigraphic summary and Ar/Ar geochronology of the Florissant Formation, Colorado".
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Some of the cones, foliage, and pollen have been identified as coming from the sequoias. There are distinct differences in the fossilized
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of the tree rings has resulted in estimated ages of 500–700 years old when the trees were killed and buried. Some of the stumps belong to
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renamed the Florissant Formation in 2001 to conform with the requirements of the North American Commission on Stratigraphic Nomenclature.
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minerals, replacing the organic matter with silica. This process of mineralization led to the preservation of the stumps of the trees.
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falls. Fine layers of clays and muds interspersed with layers of ash form "paper shales" holding beautifully-preserved fossils. The
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The Laramide Orogeny, which created the modern Rocky Mountains, had been uplifting the area to the west since the end of the
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are well represented in the Florissant, mostly a large variety of spiders. There have also been possible examples of
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Foos, A. & Hannibal, J. (1999). Geology of the Florissant Fossil Beds National Monument. Field Guide, 9 pages
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of the precipitation would have come in the late spring to early summer, with the rare snowfall in the winter.
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1562:"Sequoia affinis Reconconstruction - Florissant Fossil Beds National Monument (U.S. National Park Service)"
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being discovered so far. In the lower mudstone units, there are samples of broken bones of a horse, a
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as indicators of paleoclimate. Palaeogeography, Palaeoclimatology, Palaeoecology, 221(3-4), 203-214.
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1398:"Pikes Peak folio, Colorado, with a description of Cripple Creek special map by R.A.F. Penrose, Jr"
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During the 1860s and 1870s the area was mapped by geologists for the first time. Geologists of the
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Florissant is significant in that it is one of the earliest known examples of freshwater diatoms.
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different habitats that were located near and around the lake, as well as farther up the valley.
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2650:
2610:
2605:
2570:
2535:
2505:
2475:
2455:
2380:
2137:
2057:
2047:
1843:
1768:
1675:
605:
5872:
5852:
4993:
4700:
4557:
4492:
4457:
4097:
3998:
3983:
3963:
3893:
3759:
3744:
3656:
3364:
3314:
3299:
3284:
3224:
2768:
2723:
2695:
2690:
2615:
2575:
2550:
2405:
2400:
2347:
2342:
2267:
2147:
2142:
1763:
1753:
1393:
1117:
613:
526:
5802:
1561:
1260:
5699:
4914:
3993:
3978:
3928:
3848:
3838:
3833:
3754:
3419:
3304:
3138:
2415:
2337:
2297:
2277:
2252:
2227:
2052:
2037:
2027:
2012:
1964:
1949:
1919:
786:
716:
549:
448:
258:
123:
4954:
8:
4517:
4008:
3676:
3581:
3566:
3424:
2242:
2237:
2232:
2212:
2117:
2112:
1939:
1778:
1733:
1715:
609:
134:
5716:
3968:
3943:
3923:
3709:
3641:
3374:
2793:
2327:
2322:
2317:
2307:
2272:
2257:
2247:
2217:
2207:
2192:
2162:
2152:
2132:
2022:
1974:
1198:
600:
visited the area in the early 1870s, and fossil plants from the beds were described by
148:
1560:
Florissant, Mailing Address: P. O. Box 185; Us, CO 80816 Phone: 719 748-3253 Contact.
645:. The Wall Mountain Tuff was deposited as a result of a large eruption from a distant
5436:
3958:
3948:
3938:
2728:
2197:
2182:
2107:
2017:
1992:
1924:
1668:
1579:
1366:
1328:
6266:
University and college buildings listed on the National Register of Historic Places
4786:
4610:
3774:
3611:
3379:
3349:
3067:
2733:
2713:
2332:
2302:
2287:
2172:
2157:
2092:
2077:
2007:
1997:
1397:
1241:
794:
692:
642:
4796:
4038:
3933:
3779:
2812:
2773:
2292:
2282:
2222:
2122:
2097:
2082:
2032:
2002:
1793:
981:
terrestrial. The most abundant mollusk that has been identified at Florissant is
781:
739:
683:
1934:
5086:
4904:
4107:
3734:
3686:
3651:
3082:
2718:
2362:
2357:
601:
590:
2822:
1211:
711:
669:
been found within these units and have been dated to around 50,000 years old.
6310:
5584:
5376:
5336:
4919:
4447:
3764:
1944:
597:
475:
462:
243:
205:
192:
69:
27:
1969:
5191:
5176:
5131:
4572:
3719:
3671:
3616:
2748:
1929:
1007:
861:
826:
753:
5181:
4442:
1044:
1036:
1031:
are almost non-existent in the shales, with only one specimen of a small
958:
938:
930:
906:
902:
898:
798:
746:
637:
44:
31:
612:. The formation was first formally named as the Florissant Lake Beds by
4751:
3739:
3646:
3636:
1691:
1123:
1022:
1018:
882:
830:
662:
576:
established to preserve and study the geology and history of the area.
117:
89:
54:
1529:
Florissant Fossil Beds. 2012. National Park Service. 5 November 2012.
368:
The Pioneer House, showing how the original pioneers of the west lived
6261:
List of jails and prisons on the National Register of Historic Places
5550:
Baaj Nwaavjo I'tah Kukveni – Ancestral Footprints of the Grand Canyon
5469:
5450:
Baaj Nwaavjo I'tah Kukveni – Ancestral Footprints of the Grand Canyon
2925:
1055:
982:
918:
890:
886:
847:
843:
94:
38:
1660:
1654:
1530:
536:
3811:
1695:
1040:
954:
942:
910:
894:
878:
851:
437:
225:
84:
79:
64:
59:
49:
1611:
1355:"History of Paleontology at the Florissant Fossil Beds, Colorado"
1051:
1032:
1013:
Three examples of birds have been found in the beds, including a
1003:
950:
922:
914:
855:
779:
The majority of the stumps have been identified as belonging to
758:
646:
99:
74:
1402:
U.S. Geological Survey Geologic Atlas of the United States Folio
2460:
2102:
1705:
1028:
1014:
995:
946:
934:
926:
743:
735:
565:
557:
5832:
4729:
874:, forms the logo for Florissant Fossil Beds National Monument
726:
654:
650:
171:
1610:
Moe, A. P., & Smith, D. M. (2005). Using pre-Quaternary
677:
4984:
1246:
10.1130/0091-7613(1992)020<0459:COTLEO>2.3.CO;2
966:
962:
871:
825:
The majority of the animal fossils found at Florissant are
1231:
3798:
National Register of Historic Places listings in Colorado
974:
970:
548:
is a sedimentary geologic formation outcropping around
1434:
6367:
Paleontological protected areas in the United States
6322:
National Park Service National Monuments in Colorado
1261:"Florissant Fossil Beds National Monument, Colorado"
5863:
History of the National Register of Historic Places
122:Florissant Formation at the Clare fossil quarry in
1114:, a largely untouched petrified forest in Colorado
5894:List of U.S. National Historic Landmarks by state
5771:President Lincoln's Cottage at the Soldiers' Home
805:paleoflora, but there are also conifers present.
672:
6308:
1513:
1511:
1509:
1507:
6286:National Register of Historic Places portal
4568:Yanks Gulch/Upper Greasewood Creek Natural Area
2852:
1597:
1595:
1487:
1485:
1483:
1464:
1462:
1437:Denver Museum of Nature and Science Proceedings
1428:
1225:
1188:. Land Resource Division, National Park Service
1129:List of national monuments of the United States
842:The invertebrate fossils of the Florissant are
5818:
4970:
2838:
1676:
1504:
1452:
1450:
1348:
1346:
1344:
1592:
1480:
1459:
412:
387:
322:
294:
3682:United States Air Force Academy, Cadet Area
3587:Durango and Silverton Narrow Gauge Railroad
1584:: CS1 maint: numeric names: authors list (
1359:Geological Society of America Special Paper
687:at Florissant Fossil Beds National Monument
6332:Protected areas of Teller County, Colorado
5825:
5811:
4977:
4963:
4308:Indian Springs Trace Fossil
2845:
2831:
1683:
1669:
1525:
1523:
1447:
1352:
1341:
1148:"Florissant Fossil Beds National Monument"
116:
5834:U.S. National Register of Historic Places
3597:Georgetown–Silver Plume Historic District
3562:Central City/Black Hawk Historic District
4943:Colorado Department of Natural Resources
3725:Indian Springs Trace Fossil Natural Area
1655:Florissant Fossil Beds National Monument
1559:
1386:
1183:"Listing of acreage – December 31, 2011"
1162:United States Department of the Interior
860:
774:Fossilised leaf preserved in fine detail
769:
752:
710:
676:
627:
570:Florissant Fossil Beds National Monument
537:Florissant Fossil Beds National Monument
347:Florissant Fossil Beds National Monument
302:Florissant Formation (the United States)
4986:National monuments of the United States
4328:Kremmling Cretaceous Ammonite
1520:
1327:. Washington, D.C.: Smithsonian Books.
1318:
1316:
1314:
1312:
1310:
1308:
1306:
1304:
1302:
1300:
1298:
6309:
1296:
1294:
1292:
1290:
1288:
1286:
1284:
1282:
1280:
1278:
16:National monument in the United States
5806:
4958:
4263:Geneva Basin Iron Fens
4080:List of Colorado state wildlife areas
2826:
1690:
1664:
1392:
1322:
1258:
1212:"NPS Annual Recreation Visits Report"
1204:
1199:National Park Service Acreage Reports
589:collectors removing large amounts of
5670:Santa Rosa and San Jacinto Mountains
5520:Santa Rosa and San Jacinto Mountains
4378:Mount Emmons Iron Bog
4373:Mount Callahan & Logan Wash Mine
4163:Colorado Tallgrass Prairie
3790:National Register of Historic Places
6352:Protected areas established in 1969
6347:Natural history museums in Colorado
5741:Harriet Tubman Underground Railroad
4123:Blue Mountain-Little Thompson Fault
1275:
1252:
1175:
1153:Geographic Names Information System
695:volcanic center, within the larger
13:
6342:Museums in Teller County, Colorado
6249:National Historic Preservation Act
3627:Mesa Verde Administrative District
3577:Cumbres and Toltec Scenic Railroad
14:
6393:
6357:Fossil parks in the United States
5157:Emmett Till and Mamie Till-Mobley
2784:South Central Colorado Urban Area
2764:North Central Colorado Urban Area
1648:
1531:http://www.nps.gov/flfo/index.htm
1353:Veach, S.W.; Meyer, H.W. (2008).
889:. There may be some evidence for
785:, a close relative of the modern
6291:
6290:
6279:
4910:Great Divide Mountain Bike Route
4508:South Cathedral Bluffs
4343:Lower Greasewood Creek
2806:
1096:
1083:
837:
411:
404:
386:
379:
362:
356:V (protected landscape/seascape)
321:
314:
293:
286:
236:
42:
6372:1969 establishments in Colorado
5756:Northeast Canyons and Seamounts
4533:Trinidad K-T Boundary
4183:Cross Mountain Canyon
4133:Boulder Mountain Park
3572:Cripple Creek Historic District
1636:
1627:
1617:
1604:
1553:
1544:
1535:
1495:
1471:
1158:United States Geological Survey
1112:Cherokee Ranch petrified forest
1062:
795:Dendrochronological examination
330:Florissant Formation (Colorado)
6202:Federated States of Micronesia
5848:Architectural style categories
5470:Camp Hale – Continental Divide
5107:Charles Young Buffalo Soldiers
4706:Trail Ridge Road/Beaver Meadow
4173:Copeland Willow Carr
3909:James M. Robb - Colorado River
3544:28 National Historic Landmarks
3524:Cache la Poudre River Corridor
1419:
1259:Erwin, Diane M.; Looy, Cindy.
1140:
988:
697:Thirtynine Mile volcanic field
673:Thirtynine Mile Volcanic Field
562:Thirtynine Mile volcanic field
1:
5761:Pacific Remote Islands Marine
5726:Aleutian Islands World War II
5032:Belmont-Paul Women's Equality
4739:28 National Recreation Trails
4583:26 Scenic and Historic Byways
4503:South Boulder Creek
4398:North Park Phacelia
4288:High Mesa Grassland
3697:16 National Natural Landmarks
3602:Granada War Relocation Center
3552:Beaver Meadows Visitor Center
3435:3 National Conservation Areas
1134:
765:
761:stump with visible tree rings
420:Show map of the United States
305:Show map of the United States
5640:Organ Mountains–Desert Peaks
5282:Medgar and Myrlie Evers Home
5212:George Washington Birthplace
4498:South Beaver Creek
4423:Park Creek Hogback
4253:Garden Park Fossil
4158:Coal Creek Tallgrass Prairie
3735:Morrison-Golden Fossil Areas
3385:Rocky Mountain National Park
3210:Black Canyon of the Gunnison
2926:Camp Hale-Continental Divide
2879:Black Canyon of the Gunnison
608:, and vertebrate fossils by
7:
6327:Natural history of Colorado
5680:Upper Missouri River Breaks
4528:Treasurevault Mountain
4248:Fruita Paleontological
3667:Telluride Historic District
3662:Silverton Historic District
3607:Leadville Historic District
3463:8 National Wildlife Refuges
3014:2 National Recreation Areas
2854:Protected areas of Colorado
1105:
834:aspects of their behavior.
681:A large petrified stump of
495:5,998 acres (24.27 km)
10:
6398:
6254:Historic Preservation Fund
6233:American Legation, Morocco
5751:Military Working Dog Teams
5505:Saint Francis Dam Disaster
5362:Springfield 1908 Race Riot
5277:Little Bighorn Battlefield
4596:Cache la Poudre-North Park
4483:Shell Duck Creek
4473:San Miguel River
3060:4 National Historic Trails
2754:Front Range Urban Corridor
1323:Meyer, Herbert W. (2003).
706:
623:
579:
6274:
6241:
6220:
6195:Lists by associated state
6194:
6153:
5886:
5840:
5789:
5693:
5615:Grand Staircase–Escalante
5528:
5435:
5407:Virgin Islands Coral Reef
5267:Katahdin Woods and Waters
4992:
4937:
4890:
4737:
4728:
4606:Colorado River Headwaters
4581:
4223:East Sand Dunes
4138:Brush Creek Fen
4088:
4070:
4052:
3819:
3810:
3788:
3695:
3542:
3516:3 National Heritage Areas
3514:
3461:
3433:
3200:
3177:
3109:
3091:
3058:
3040:
3012:
2986:3 National Historic Sites
2984:
2902:
2869:
2860:
2802:
2704:
2371:
1983:
1912:
1714:
1702:
1325:The fossils of Florissant
532:
522:
518:71,763 (in 2017)
514:
503:August 20, 1969
499:
491:
454:
444:
429:
373:
361:
351:
346:
280:
272:
264:
254:
249:
231:
221:
182:
177:
167:
162:
154:
140:
130:
115:
26:
21:
6362:Paleontology in Colorado
6176:Northern Mariana Islands
5766:Papahānaumokuākea Marine
5397:Tule Springs Fossil Beds
5287:Mill Springs Battlefield
5217:George Washington Carver
4900:American Discovery Trail
4686:South Platte River Trail
4363:Miramonte Reservoir
4283:High Creek Fen
4218:East Lost Park
4072:307 State Wildlife Areas
3202:44 National Wildernesses
3101:Continental Divide Trail
2789:Southern Rocky Mountains
2744:Denver Metropolitan Area
867:Palaeovespa florissantia
829:, but many specimens of
820:
5630:Kasha-Katuwe Tent Rocks
5580:Canyons of the Ancients
5565:Berryessa Snow Mountain
5460:Berryessa Snow Mountain
5352:Salinas Pueblo Missions
5037:Birmingham Civil Rights
5012:Alibates Flint Quarries
4168:Comanche Grassland
3770:Sulphur Cave and Spring
3715:Garden Park Fossil Area
3622:Ludlow Tent Colony Site
3592:Elitch Gardens Carousel
3093:1 National Scenic Trail
3042:1 Wild and Scenic River
2936:Canyons of the Ancients
1657:(National Park Service)
1214:. National Park Service
554:Teller County, Colorado
158:74 m (243 ft)
6171:Minor Outlying Islands
6154:Lists by insular areas
5868:Keeper of the Register
5746:Marianas Trench Marine
5610:Grand Canyon–Parashant
5232:Grand Canyon–Parashant
5162:Florissant Fossil Beds
5082:Castillo de San Marcos
4842:Rocky Mountain Arsenal
4513:Specimen Mountain
4148:Castlewood Canyon
4103:Antero-Salt Creek
4090:96 State Natural Areas
3730:Lost Creek Scenic Area
3501:Rocky Mountain Arsenal
2966:Florissant Fossil Beds
2779:South-Central Colorado
2739:Colorado Western Slope
875:
775:
762:
721:
688:
633:
606:Samuel Hubbard Scudder
476:38.91374°N 105.28627°W
5873:National Park Service
5853:Contributing property
5650:Prehistoric Trackways
5510:San Gabriel Mountains
5377:Sunset Crater Volcano
5002:African Burial Ground
4994:National Park Service
4872:West Lost Trail Creek
4832:Platte River Greenway
4701:Trail of the Ancients
4696:Tracks Across Borders
4661:Pawnee Pioneer Trails
4558:Wheeler Geologic
4493:Slumgullion Earthflow
4338:Lookout Mountain
4298:Hurricane Canyon
4273:Gunnison Gravels
4258:Gateway Palisade
4233:Escalante Canyon
3914:John Martin Reservoir
3760:Slumgullion Earthflow
3657:Shenandoah-Dives Mill
3320:Maroon Bells-Snowmass
3179:2 National Grasslands
3050:Cache la Poudre River
2769:Northwestern Colorado
2724:Colorado Mineral Belt
1118:Green River Formation
1059:animals in the lake.
864:
773:
756:
714:
680:
631:
614:Charles Whitman Cross
527:National Park Service
6382:Florissant Formation
6377:1969 in paleontology
6228:District of Columbia
5655:Río Grande del Norte
5485:Gila Cliff Dwellings
5262:John Day Fossil Beds
5242:Hagerman Fossil Beds
5222:Gila Cliff Dwellings
5042:Booker T. Washington
4651:Los Caminos Antiguos
4468:Saddle Mountain
4438:Rajadero Canyon
4333:Limestone Ridge
4323:Ken-Caryl Ranch
4143:California Park
3632:Minnequa Steel Works
2904:9 National Monuments
2063:Cherry Hills Village
717:Florissantia speirii
604:, fossil insects by
546:Florissant Formation
481:38.91374; -105.28627
449:Florissant, Colorado
395:Show map of Colorado
333:Show map of Colorado
259:Florissant, Colorado
124:Florissant, Colorado
22:Florissant Formation
5595:Craters of the Moon
5122:Craters of the Moon
4523:Tamarack Ranch
4243:Fourmile Creek
4228:Elephant Rocks
3829:Arkansas Headwaters
3677:Trujillo Homesteads
3582:Denver Civic Center
3567:Colorado Chautauqua
3443:Dominguez–Escalante
3215:Black Ridge Canyons
3111:11 National Forests
3004:Sand Creek Massacre
2813:Colorado portal
2749:Four Corners Region
1884:Tourist attractions
1789:Indian reservations
846:, such as spiders,
610:Edward Drinker Cope
523:Governing body
472: /
202: /
28:Stratigraphic range
6337:Paleogene Colorado
5793:Full Detailed List
5575:California Coastal
4711:Unaweep Tabeguache
4691:Top of the Rockies
4641:Highway of Legends
4433:Rabbit Valley
4418:Paradise Park
4383:Mount Goliath
4293:Hoosier Ridge
4278:Haviland Lake
4213:Dudley Bluffs
4128:Bonny Prairie
3889:Golden Gate Canyon
3710:Garden of the Gods
3270:Greenhorn Mountain
3134:Medicine Bow–Routt
3078:Pony Express Trail
2794:Southwest Colorado
1068:or daily changes.
876:
776:
763:
722:
689:
634:
206:38.914°N 105.287°W
149:Pikes Peak Granite
145:Wall Mountain Tuff
6304:
6303:
5858:Historic district
5800:
5799:
5776:Rose Atoll Marine
5437:US Forest Service
5367:Statue of Liberty
5317:Organ Pipe Cactus
5077:Casa Grande Ruins
5007:Agate Fossil Beds
4952:
4951:
4933:
4932:
4915:Kokopelli's Trail
4892:6 Regional Trails
4882:White House Ranch
4792:Greyrock Mountain
4724:
4723:
4621:Frontier Pathways
4548:Wacker Ranch
4543:Unaweep Seep
4453:Rough Canyon
4428:Pyramid Rock
4368:Mishak Lakes
4313:Irish Canyon
4203:Droney Gulch
4153:Chalk Bluffs
4118:Blacks Gulch
4098:Aiken Canyon
3859:Cheyenne Mountain
3844:Castlewood Canyon
3806:
3805:
3073:Old Spanish Trail
2820:
2819:
2729:Colorado Piedmont
2313:Steamboat Springs
2188:Greenwood Village
1869:Statistical areas
1839:Prehistoric sites
1050:Surprisingly, no
632:2013 aerial photo
574:national monument
542:
541:
445:Nearest city
342:
341:
6389:
6294:
6293:
6284:
6283:
6282:
6207:Marshall Islands
5827:
5820:
5813:
5804:
5803:
5685:Vermilion Cliffs
5660:San Juan Islands
5590:Cascade–Siskiyou
5495:Mount St. Helens
5445:Admiralty Island
5292:Montezuma Castle
5227:Governors Island
5092:Castle Mountains
5067:Cape Krusenstern
5062:Canyon de Chelly
5047:Buck Island Reef
4979:
4972:
4965:
4956:
4955:
4925:Tabeguache Trail
4877:Wheeler Ten Mile
4827:Petroglyph Point
4782:Fish Creek Falls
4735:
4734:
4611:Dinosaur Diamond
4601:Collegiate Peaks
4563:White Rocks
4413:Pagosa Skyrocket
4403:Orient Mine
4393:Needle Rock
4353:Mexican Cut
4318:Jimmy Creek
4113:Badger Wash
3989:Spinney Mountain
3817:
3816:
3705:Big Spring Creek
3612:Lindenmeier site
3529:Sangre de Cristo
3390:Sangre de Cristo
3290:Hunter–Fryingpan
3265:Great Sand Dunes
3245:Dominguez Canyon
3235:Collegiate Peaks
3068:California Trail
2884:Great Sand Dunes
2871:4 National Parks
2867:
2866:
2847:
2840:
2833:
2824:
2823:
2811:
2810:
2809:
2734:Colorado Plateau
2714:Central Colorado
2168:Glenwood Springs
2068:Colorado Springs
1824:National Forests
1685:
1678:
1671:
1662:
1661:
1643:
1640:
1634:
1631:
1625:
1621:
1615:
1608:
1602:
1599:
1590:
1589:
1583:
1575:
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1572:
1557:
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1539:
1533:
1527:
1518:
1515:
1502:
1499:
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1489:
1478:
1475:
1469:
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1457:
1454:
1445:
1444:
1432:
1426:
1423:
1417:
1416:
1414:
1412:
1390:
1384:
1383:
1381:
1379:
1350:
1339:
1338:
1320:
1273:
1272:
1270:
1268:
1256:
1250:
1249:
1229:
1223:
1222:
1220:
1219:
1208:
1202:
1196:
1194:
1193:
1187:
1179:
1173:
1172:
1170:
1168:
1144:
643:Laramide Orogeny
510:
508:
487:
486:
484:
483:
482:
477:
473:
470:
469:
468:
465:
421:
415:
414:
408:
396:
390:
389:
383:
366:
344:
343:
334:
325:
324:
318:
306:
297:
296:
290:
242:
240:
239:
217:
216:
214:
213:
212:
211:38.914; -105.287
207:
203:
200:
199:
198:
195:
120:
111:
41:
19:
18:
6397:
6396:
6392:
6391:
6390:
6388:
6387:
6386:
6317:IUCN Category V
6307:
6306:
6305:
6300:
6280:
6278:
6270:
6237:
6216:
6190:
6149:
5882:
5836:
5831:
5801:
5796:
5785:
5703:
5689:
5620:Ironwood Forest
5555:Basin and Range
5532:Land Management
5531:
5524:
5431:
5382:Timpanogos Cave
5302:Natural Bridges
5127:Devils Postpile
5102:César E. Chávez
5072:Capulin Volcano
4988:
4983:
4953:
4948:
4929:
4886:
4797:High Line Canal
4720:
4671:San Juan Skyway
4616:Flat Tops Trail
4577:
4553:West Creek
4538:Two Buttes
4488:Shell Rock
4478:Sand Creek
4463:Ryan Gulch
4408:Owl Canyon
4208:Duck Creek
4193:Deer Gulch
4084:
4066:
4048:
4019:Sweetwater Lake
3869:Eldorado Canyon
3802:
3784:
3780:West Bijou Site
3691:
3642:Pike's Stockade
3557:Bent's Old Fort
3538:
3510:
3457:
3453:McInnis Canyons
3429:
3230:Cache La Poudre
3196:
3173:
3105:
3087:
3054:
3036:
3008:
2999:Bent's Old Fort
2980:
2898:
2856:
2851:
2821:
2816:
2807:
2805:
2798:
2774:San Luis Valley
2700:
2367:
2263:Manitou Springs
2128:Federal Heights
1979:
1908:
1849:Protected areas
1774:Historic places
1710:
1698:
1689:
1651:
1646:
1641:
1637:
1632:
1628:
1622:
1618:
1609:
1605:
1600:
1593:
1577:
1576:
1570:
1568:
1558:
1554:
1549:
1545:
1540:
1536:
1528:
1521:
1516:
1505:
1500:
1496:
1490:
1481:
1476:
1472:
1467:
1460:
1455:
1448:
1433:
1429:
1424:
1420:
1410:
1408:
1391:
1387:
1377:
1375:
1373:
1351:
1342:
1335:
1321:
1276:
1266:
1264:
1263:. UCMP Berkeley
1257:
1253:
1230:
1226:
1217:
1215:
1210:
1209:
1205:
1191:
1189:
1185:
1181:
1180:
1176:
1166:
1164:
1146:
1145:
1141:
1137:
1108:
1099:
1086:
1065:
991:
887:daddy long-legs
850:, insects, and
840:
823:
810:Sequoia affinis
791:S. sempervirens
782:Sequoia affinis
768:
709:
684:Sequoia affinis
675:
626:
593:from the site.
582:
506:
504:
480:
478:
474:
471:
466:
463:
461:
459:
458:
440:, United States
425:
424:
423:
422:
419:
418:
417:
416:
399:
398:
397:
394:
393:
392:
391:
369:
357:
338:
337:
336:
335:
332:
331:
328:
327:
326:
309:
308:
307:
304:
303:
300:
299:
298:
237:
235:
210:
208:
204:
201:
196:
193:
191:
189:
188:
126:
110:
109:
108:
107:
102:
97:
92:
87:
82:
77:
72:
67:
62:
57:
52:
47:
37:37.2–33.9
36:
35:
17:
12:
11:
5:
6395:
6385:
6384:
6379:
6374:
6369:
6364:
6359:
6354:
6349:
6344:
6339:
6334:
6329:
6324:
6319:
6302:
6301:
6299:
6298:
6288:
6275:
6272:
6271:
6269:
6268:
6263:
6258:
6257:
6256:
6245:
6243:
6239:
6238:
6236:
6235:
6230:
6224:
6222:
6218:
6217:
6215:
6214:
6209:
6204:
6198:
6196:
6192:
6191:
6189:
6188:
6186:Virgin Islands
6183:
6178:
6173:
6168:
6163:
6161:American Samoa
6157:
6155:
6151:
6150:
6148:
6147:
6142:
6137:
6132:
6127:
6122:
6117:
6112:
6107:
6102:
6097:
6095:South Carolina
6092:
6087:
6082:
6077:
6072:
6067:
6062:
6060:North Carolina
6057:
6052:
6047:
6042:
6037:
6032:
6027:
6022:
6017:
6012:
6007:
6002:
5997:
5992:
5987:
5982:
5977:
5972:
5967:
5962:
5957:
5952:
5947:
5942:
5937:
5932:
5927:
5922:
5917:
5912:
5907:
5902:
5897:
5890:
5888:
5887:Lists by state
5884:
5883:
5881:
5880:
5878:Property types
5875:
5870:
5865:
5860:
5855:
5850:
5844:
5842:
5838:
5837:
5830:
5829:
5822:
5815:
5807:
5798:
5797:
5790:
5787:
5786:
5784:
5783:
5778:
5773:
5768:
5763:
5758:
5753:
5748:
5743:
5738:
5733:
5728:
5722:
5720:
5691:
5690:
5688:
5687:
5682:
5677:
5675:Sonoran Desert
5672:
5667:
5662:
5657:
5652:
5647:
5645:Pompeys Pillar
5642:
5637:
5632:
5627:
5622:
5617:
5612:
5607:
5602:
5597:
5592:
5587:
5582:
5577:
5572:
5567:
5562:
5557:
5552:
5547:
5542:
5536:
5534:
5526:
5525:
5523:
5522:
5517:
5512:
5507:
5502:
5497:
5492:
5487:
5482:
5477:
5472:
5467:
5462:
5457:
5452:
5447:
5441:
5439:
5433:
5432:
5430:
5429:
5424:
5419:
5414:
5409:
5404:
5399:
5394:
5389:
5384:
5379:
5374:
5369:
5364:
5359:
5354:
5349:
5344:
5342:Rainbow Bridge
5339:
5334:
5329:
5324:
5319:
5314:
5309:
5304:
5299:
5294:
5289:
5284:
5279:
5274:
5269:
5264:
5259:
5254:
5249:
5244:
5239:
5234:
5229:
5224:
5219:
5214:
5209:
5207:Freedom Riders
5204:
5199:
5194:
5189:
5184:
5179:
5174:
5169:
5167:Fort Frederica
5164:
5159:
5154:
5149:
5144:
5139:
5134:
5129:
5124:
5119:
5114:
5109:
5104:
5099:
5094:
5089:
5087:Castle Clinton
5084:
5079:
5074:
5069:
5064:
5059:
5054:
5049:
5044:
5039:
5034:
5029:
5024:
5019:
5014:
5009:
5004:
4998:
4996:
4990:
4989:
4982:
4981:
4974:
4967:
4959:
4950:
4949:
4947:
4946:
4938:
4935:
4934:
4931:
4930:
4928:
4927:
4922:
4917:
4912:
4907:
4905:Colorado Trail
4902:
4896:
4894:
4888:
4887:
4885:
4884:
4879:
4874:
4869:
4864:
4859:
4854:
4849:
4847:Round Mountain
4844:
4839:
4834:
4829:
4824:
4822:Mount McConnel
4819:
4814:
4809:
4804:
4799:
4794:
4789:
4784:
4779:
4774:
4769:
4764:
4759:
4754:
4749:
4743:
4741:
4732:
4726:
4725:
4722:
4721:
4719:
4718:
4713:
4708:
4703:
4698:
4693:
4688:
4683:
4678:
4676:Santa Fe Trail
4673:
4668:
4663:
4658:
4656:Mount Blue Sky
4653:
4648:
4643:
4638:
4633:
4628:
4626:Gold Belt Tour
4623:
4618:
4613:
4608:
4603:
4598:
4593:
4587:
4585:
4579:
4578:
4576:
4575:
4570:
4565:
4560:
4555:
4550:
4545:
4540:
4535:
4530:
4525:
4520:
4515:
4510:
4505:
4500:
4495:
4490:
4485:
4480:
4475:
4470:
4465:
4460:
4455:
4450:
4445:
4440:
4435:
4430:
4425:
4420:
4415:
4410:
4405:
4400:
4395:
4390:
4385:
4380:
4375:
4370:
4365:
4360:
4355:
4350:
4345:
4340:
4335:
4330:
4325:
4320:
4315:
4310:
4305:
4300:
4295:
4290:
4285:
4280:
4275:
4270:
4265:
4260:
4255:
4250:
4245:
4240:
4235:
4230:
4225:
4220:
4215:
4210:
4205:
4200:
4198:Dome Rock
4195:
4190:
4188:Dakota Hogback
4185:
4180:
4175:
4170:
4165:
4160:
4155:
4150:
4145:
4140:
4135:
4130:
4125:
4120:
4115:
4110:
4108:Arikaree River
4105:
4100:
4094:
4092:
4086:
4085:
4083:
4082:
4076:
4074:
4068:
4067:
4065:
4064:
4058:
4056:
4054:1 State Forest
4050:
4049:
4047:
4046:
4041:
4036:
4031:
4026:
4021:
4016:
4014:Steamboat Lake
4011:
4006:
4001:
3996:
3991:
3986:
3981:
3976:
3971:
3966:
3961:
3956:
3954:North Sterling
3951:
3946:
3941:
3936:
3931:
3926:
3921:
3916:
3911:
3906:
3901:
3896:
3891:
3886:
3881:
3876:
3871:
3866:
3861:
3856:
3851:
3846:
3841:
3836:
3831:
3825:
3823:
3821:43 State Parks
3814:
3808:
3807:
3804:
3803:
3801:
3800:
3794:
3792:
3786:
3785:
3783:
3782:
3777:
3772:
3767:
3762:
3757:
3752:
3747:
3742:
3737:
3732:
3727:
3722:
3717:
3712:
3707:
3701:
3699:
3693:
3692:
3690:
3689:
3687:Winks Panorama
3684:
3679:
3674:
3669:
3664:
3659:
3654:
3652:Red Rocks Park
3649:
3644:
3639:
3634:
3629:
3624:
3619:
3614:
3609:
3604:
3599:
3594:
3589:
3584:
3579:
3574:
3569:
3564:
3559:
3554:
3548:
3546:
3540:
3539:
3537:
3536:
3531:
3526:
3520:
3518:
3512:
3511:
3509:
3508:
3503:
3498:
3493:
3488:
3483:
3478:
3473:
3467:
3465:
3459:
3458:
3456:
3455:
3450:
3448:Gunnison Gorge
3445:
3439:
3437:
3431:
3430:
3428:
3427:
3422:
3417:
3412:
3407:
3402:
3400:South San Juan
3397:
3392:
3387:
3382:
3377:
3372:
3370:Ptarmigan Peak
3367:
3362:
3357:
3352:
3347:
3342:
3340:Mount Sneffels
3337:
3332:
3327:
3322:
3317:
3312:
3307:
3302:
3297:
3292:
3287:
3282:
3277:
3275:Gunnison Gorge
3272:
3267:
3262:
3257:
3252:
3247:
3242:
3237:
3232:
3227:
3222:
3217:
3212:
3206:
3204:
3198:
3197:
3195:
3194:
3189:
3183:
3181:
3175:
3174:
3172:
3171:
3166:
3161:
3156:
3151:
3146:
3141:
3136:
3131:
3126:
3121:
3115:
3113:
3107:
3106:
3104:
3103:
3097:
3095:
3089:
3088:
3086:
3085:
3083:Santa Fe Trail
3080:
3075:
3070:
3064:
3062:
3056:
3055:
3053:
3052:
3046:
3044:
3038:
3037:
3035:
3034:
3029:
3018:
3016:
3010:
3009:
3007:
3006:
3001:
2996:
2990:
2988:
2982:
2981:
2979:
2978:
2973:
2968:
2963:
2958:
2953:
2943:
2933:
2923:
2908:
2906:
2900:
2899:
2897:
2896:
2894:Rocky Mountain
2891:
2886:
2881:
2875:
2873:
2864:
2858:
2857:
2850:
2849:
2842:
2835:
2827:
2818:
2817:
2803:
2800:
2799:
2797:
2796:
2791:
2786:
2781:
2776:
2771:
2766:
2761:
2756:
2751:
2746:
2741:
2736:
2731:
2726:
2721:
2719:Eastern Plains
2716:
2710:
2708:
2702:
2701:
2699:
2698:
2693:
2688:
2683:
2678:
2673:
2668:
2663:
2658:
2653:
2648:
2643:
2638:
2633:
2628:
2623:
2618:
2613:
2608:
2603:
2598:
2593:
2588:
2583:
2578:
2573:
2568:
2563:
2558:
2553:
2548:
2543:
2538:
2533:
2528:
2523:
2518:
2513:
2508:
2503:
2498:
2493:
2488:
2483:
2478:
2473:
2468:
2463:
2458:
2453:
2448:
2443:
2438:
2433:
2428:
2423:
2418:
2413:
2408:
2403:
2398:
2393:
2388:
2383:
2377:
2375:
2369:
2368:
2366:
2365:
2360:
2355:
2350:
2345:
2340:
2335:
2330:
2325:
2320:
2315:
2310:
2305:
2300:
2295:
2290:
2285:
2280:
2275:
2270:
2265:
2260:
2255:
2250:
2245:
2240:
2235:
2230:
2225:
2220:
2215:
2210:
2205:
2200:
2195:
2190:
2185:
2180:
2178:Grand Junction
2175:
2170:
2165:
2160:
2155:
2150:
2145:
2140:
2135:
2130:
2125:
2120:
2115:
2110:
2105:
2100:
2095:
2090:
2085:
2080:
2075:
2070:
2065:
2060:
2055:
2050:
2045:
2040:
2035:
2030:
2025:
2020:
2015:
2010:
2005:
2000:
1995:
1989:
1987:
1981:
1980:
1978:
1977:
1972:
1967:
1962:
1957:
1952:
1947:
1942:
1937:
1932:
1927:
1922:
1916:
1914:
1910:
1909:
1907:
1906:
1901:
1899:Transportation
1896:
1891:
1886:
1881:
1876:
1871:
1866:
1861:
1856:
1851:
1846:
1841:
1836:
1831:
1829:National Parks
1826:
1821:
1816:
1814:Municipalities
1811:
1806:
1801:
1796:
1791:
1786:
1781:
1776:
1771:
1766:
1761:
1756:
1751:
1746:
1741:
1739:Climate change
1736:
1731:
1726:
1720:
1718:
1712:
1711:
1703:
1700:
1699:
1688:
1687:
1680:
1673:
1665:
1659:
1658:
1650:
1649:External links
1647:
1645:
1644:
1635:
1626:
1616:
1603:
1591:
1552:
1543:
1534:
1519:
1503:
1494:
1479:
1470:
1458:
1446:
1427:
1418:
1394:Cross, Whitman
1385:
1371:
1340:
1334:978-1588341075
1333:
1274:
1251:
1240:(5): 459–463.
1224:
1203:
1174:
1138:
1136:
1133:
1132:
1131:
1126:
1121:
1115:
1107:
1104:
1098:
1095:
1085:
1082:
1064:
1061:
1008:pirate perches
990:
987:
839:
836:
822:
819:
767:
764:
708:
705:
674:
671:
625:
622:
602:Leo Lesquereux
591:petrified wood
581:
578:
540:
539:
534:
530:
529:
524:
520:
519:
516:
512:
511:
507:1969-August-20
501:
497:
496:
493:
489:
488:
456:
452:
451:
446:
442:
441:
431:
427:
426:
410:
409:
403:
402:
401:
400:
385:
384:
378:
377:
376:
375:
374:
371:
370:
367:
359:
358:
352:
349:
348:
340:
339:
329:
320:
319:
313:
312:
311:
310:
301:
292:
291:
285:
284:
283:
282:
281:
278:
277:
274:
270:
269:
266:
262:
261:
256:
252:
251:
247:
246:
233:
229:
228:
223:
219:
218:
186:
180:
179:
175:
174:
169:
165:
164:
160:
159:
156:
152:
151:
142:
138:
137:
132:
128:
127:
121:
113:
112:
105:
104:
103:
98:
93:
88:
83:
78:
73:
68:
63:
58:
53:
48:
43:
24:
23:
15:
9:
6:
4:
3:
2:
6394:
6383:
6380:
6378:
6375:
6373:
6370:
6368:
6365:
6363:
6360:
6358:
6355:
6353:
6350:
6348:
6345:
6343:
6340:
6338:
6335:
6333:
6330:
6328:
6325:
6323:
6320:
6318:
6315:
6314:
6312:
6297:
6289:
6287:
6277:
6276:
6273:
6267:
6264:
6262:
6259:
6255:
6252:
6251:
6250:
6247:
6246:
6244:
6240:
6234:
6231:
6229:
6226:
6225:
6223:
6219:
6213:
6210:
6208:
6205:
6203:
6200:
6199:
6197:
6193:
6187:
6184:
6182:
6179:
6177:
6174:
6172:
6169:
6167:
6164:
6162:
6159:
6158:
6156:
6152:
6146:
6143:
6141:
6138:
6136:
6135:West Virginia
6133:
6131:
6128:
6126:
6123:
6121:
6118:
6116:
6113:
6111:
6108:
6106:
6103:
6101:
6098:
6096:
6093:
6091:
6088:
6086:
6083:
6081:
6078:
6076:
6073:
6071:
6068:
6066:
6063:
6061:
6058:
6056:
6053:
6051:
6048:
6046:
6043:
6041:
6040:New Hampshire
6038:
6036:
6033:
6031:
6028:
6026:
6023:
6021:
6018:
6016:
6013:
6011:
6008:
6006:
6003:
6001:
6000:Massachusetts
5998:
5996:
5993:
5991:
5988:
5986:
5983:
5981:
5978:
5976:
5973:
5971:
5968:
5966:
5963:
5961:
5958:
5956:
5953:
5951:
5948:
5946:
5943:
5941:
5938:
5936:
5933:
5931:
5928:
5926:
5923:
5921:
5918:
5916:
5913:
5911:
5908:
5906:
5903:
5901:
5898:
5895:
5892:
5891:
5889:
5885:
5879:
5876:
5874:
5871:
5869:
5866:
5864:
5861:
5859:
5856:
5854:
5851:
5849:
5846:
5845:
5843:
5839:
5835:
5828:
5823:
5821:
5816:
5814:
5809:
5808:
5805:
5795:
5794:
5788:
5782:
5779:
5777:
5774:
5772:
5769:
5767:
5764:
5762:
5759:
5757:
5754:
5752:
5749:
5747:
5744:
5742:
5739:
5737:
5736:Hanford Reach
5734:
5732:
5731:Castner Range
5729:
5727:
5724:
5723:
5721:
5718:
5714:
5710:
5706:
5701:
5697:
5692:
5686:
5683:
5681:
5678:
5676:
5673:
5671:
5668:
5666:
5663:
5661:
5658:
5656:
5653:
5651:
5648:
5646:
5643:
5641:
5638:
5636:
5635:Mojave Trails
5633:
5631:
5628:
5626:
5623:
5621:
5618:
5616:
5613:
5611:
5608:
5606:
5603:
5601:
5598:
5596:
5593:
5591:
5588:
5586:
5585:Carrizo Plain
5583:
5581:
5578:
5576:
5573:
5571:
5570:Browns Canyon
5568:
5566:
5563:
5561:
5558:
5556:
5553:
5551:
5548:
5546:
5543:
5541:
5538:
5537:
5535:
5533:
5527:
5521:
5518:
5516:
5513:
5511:
5508:
5506:
5503:
5501:
5498:
5496:
5493:
5491:
5488:
5486:
5483:
5481:
5480:Giant Sequoia
5478:
5476:
5473:
5471:
5468:
5466:
5465:Browns Canyon
5463:
5461:
5458:
5456:
5453:
5451:
5448:
5446:
5443:
5442:
5440:
5438:
5434:
5428:
5425:
5423:
5420:
5418:
5417:Walnut Canyon
5415:
5413:
5410:
5408:
5405:
5403:
5400:
5398:
5395:
5393:
5390:
5388:
5385:
5383:
5380:
5378:
5375:
5373:
5370:
5368:
5365:
5363:
5360:
5358:
5355:
5353:
5350:
5348:
5345:
5343:
5340:
5338:
5337:Poverty Point
5335:
5333:
5330:
5328:
5325:
5323:
5320:
5318:
5315:
5313:
5310:
5308:
5305:
5303:
5300:
5298:
5295:
5293:
5290:
5288:
5285:
5283:
5280:
5278:
5275:
5273:
5270:
5268:
5265:
5263:
5260:
5258:
5255:
5253:
5250:
5248:
5245:
5243:
5240:
5238:
5237:Grand Portage
5235:
5233:
5230:
5228:
5225:
5223:
5220:
5218:
5215:
5213:
5210:
5208:
5205:
5203:
5200:
5198:
5195:
5193:
5190:
5188:
5185:
5183:
5180:
5178:
5175:
5173:
5172:Fort Matanzas
5170:
5168:
5165:
5163:
5160:
5158:
5155:
5153:
5150:
5148:
5145:
5143:
5142:Effigy Mounds
5140:
5138:
5135:
5133:
5130:
5128:
5125:
5123:
5120:
5118:
5115:
5113:
5110:
5108:
5105:
5103:
5100:
5098:
5095:
5093:
5090:
5088:
5085:
5083:
5080:
5078:
5075:
5073:
5070:
5068:
5065:
5063:
5060:
5058:
5055:
5053:
5050:
5048:
5045:
5043:
5040:
5038:
5035:
5033:
5030:
5028:
5025:
5023:
5020:
5018:
5015:
5013:
5010:
5008:
5005:
5003:
5000:
4999:
4997:
4995:
4991:
4987:
4980:
4975:
4973:
4968:
4966:
4961:
4960:
4957:
4945:
4944:
4940:
4939:
4936:
4926:
4923:
4921:
4920:Paradox Trail
4918:
4916:
4913:
4911:
4908:
4906:
4903:
4901:
4898:
4897:
4895:
4893:
4889:
4883:
4880:
4878:
4875:
4873:
4870:
4868:
4865:
4863:
4860:
4858:
4855:
4853:
4850:
4848:
4845:
4843:
4840:
4838:
4835:
4833:
4830:
4828:
4825:
4823:
4820:
4818:
4815:
4813:
4810:
4808:
4805:
4803:
4802:Highline Loop
4800:
4798:
4795:
4793:
4790:
4788:
4785:
4783:
4780:
4778:
4775:
4773:
4770:
4768:
4765:
4763:
4762:Big Dry Creek
4760:
4758:
4755:
4753:
4750:
4748:
4745:
4744:
4742:
4740:
4736:
4733:
4731:
4727:
4717:
4716:West Elk Loop
4714:
4712:
4709:
4707:
4704:
4702:
4699:
4697:
4694:
4692:
4689:
4687:
4684:
4682:
4681:Silver Thread
4679:
4677:
4674:
4672:
4669:
4667:
4664:
4662:
4659:
4657:
4654:
4652:
4649:
4647:
4644:
4642:
4639:
4637:
4636:Guanella Pass
4634:
4632:
4629:
4627:
4624:
4622:
4619:
4617:
4614:
4612:
4609:
4607:
4604:
4602:
4599:
4597:
4594:
4592:
4589:
4588:
4586:
4584:
4580:
4574:
4571:
4569:
4566:
4564:
4561:
4559:
4556:
4554:
4551:
4549:
4546:
4544:
4541:
4539:
4536:
4534:
4531:
4529:
4526:
4524:
4521:
4519:
4516:
4514:
4511:
4509:
4506:
4504:
4501:
4499:
4496:
4494:
4491:
4489:
4486:
4484:
4481:
4479:
4476:
4474:
4471:
4469:
4466:
4464:
4461:
4459:
4456:
4454:
4451:
4449:
4448:Redcloud Peak
4446:
4444:
4441:
4439:
4436:
4434:
4431:
4429:
4426:
4424:
4421:
4419:
4416:
4414:
4411:
4409:
4406:
4404:
4401:
4399:
4396:
4394:
4391:
4389:
4386:
4384:
4381:
4379:
4376:
4374:
4371:
4369:
4366:
4364:
4361:
4359:
4356:
4354:
4351:
4349:
4346:
4344:
4341:
4339:
4336:
4334:
4331:
4329:
4326:
4324:
4321:
4319:
4316:
4314:
4311:
4309:
4306:
4304:
4303:Indian Spring
4301:
4299:
4296:
4294:
4291:
4289:
4286:
4284:
4281:
4279:
4276:
4274:
4271:
4269:
4266:
4264:
4261:
4259:
4256:
4254:
4251:
4249:
4246:
4244:
4241:
4239:
4236:
4234:
4231:
4229:
4226:
4224:
4221:
4219:
4216:
4214:
4211:
4209:
4206:
4204:
4201:
4199:
4196:
4194:
4191:
4189:
4186:
4184:
4181:
4179:
4178:Corral Bluffs
4176:
4174:
4171:
4169:
4166:
4164:
4161:
4159:
4156:
4154:
4151:
4149:
4146:
4144:
4141:
4139:
4136:
4134:
4131:
4129:
4126:
4124:
4121:
4119:
4116:
4114:
4111:
4109:
4106:
4104:
4101:
4099:
4096:
4095:
4093:
4091:
4087:
4081:
4078:
4077:
4075:
4073:
4069:
4063:
4060:
4059:
4057:
4055:
4051:
4045:
4042:
4040:
4037:
4035:
4034:Trinidad Lake
4032:
4030:
4027:
4025:
4024:Sweitzer Lake
4022:
4020:
4017:
4015:
4012:
4010:
4007:
4005:
4002:
4000:
3997:
3995:
3992:
3990:
3987:
3985:
3982:
3980:
3977:
3975:
3972:
3970:
3967:
3965:
3962:
3960:
3957:
3955:
3952:
3950:
3947:
3945:
3942:
3940:
3937:
3935:
3932:
3930:
3927:
3925:
3922:
3920:
3917:
3915:
3912:
3910:
3907:
3905:
3902:
3900:
3899:Highline Lake
3897:
3895:
3892:
3890:
3887:
3885:
3882:
3880:
3877:
3875:
3872:
3870:
3867:
3865:
3862:
3860:
3857:
3855:
3852:
3850:
3847:
3845:
3842:
3840:
3837:
3835:
3832:
3830:
3827:
3826:
3824:
3822:
3818:
3815:
3813:
3809:
3799:
3796:
3795:
3793:
3791:
3787:
3781:
3778:
3776:
3773:
3771:
3768:
3766:
3765:Spanish Peaks
3763:
3761:
3758:
3756:
3753:
3751:
3750:Russell Lakes
3748:
3746:
3743:
3741:
3738:
3736:
3733:
3731:
3728:
3726:
3723:
3721:
3718:
3716:
3713:
3711:
3708:
3706:
3703:
3702:
3700:
3698:
3694:
3688:
3685:
3683:
3680:
3678:
3675:
3673:
3670:
3668:
3665:
3663:
3660:
3658:
3655:
3653:
3650:
3648:
3645:
3643:
3640:
3638:
3635:
3633:
3630:
3628:
3625:
3623:
3620:
3618:
3615:
3613:
3610:
3608:
3605:
3603:
3600:
3598:
3595:
3593:
3590:
3588:
3585:
3583:
3580:
3578:
3575:
3573:
3570:
3568:
3565:
3563:
3560:
3558:
3555:
3553:
3550:
3549:
3547:
3545:
3541:
3535:
3532:
3530:
3527:
3525:
3522:
3521:
3519:
3517:
3513:
3507:
3504:
3502:
3499:
3497:
3494:
3492:
3489:
3487:
3484:
3482:
3479:
3477:
3474:
3472:
3469:
3468:
3466:
3464:
3460:
3454:
3451:
3449:
3446:
3444:
3441:
3440:
3438:
3436:
3432:
3426:
3423:
3421:
3418:
3416:
3413:
3411:
3408:
3406:
3405:Spanish Peaks
3403:
3401:
3398:
3396:
3393:
3391:
3388:
3386:
3383:
3381:
3378:
3376:
3373:
3371:
3368:
3366:
3363:
3361:
3358:
3356:
3353:
3351:
3348:
3346:
3343:
3341:
3338:
3336:
3335:Mount Massive
3333:
3331:
3328:
3326:
3323:
3321:
3318:
3316:
3313:
3311:
3308:
3306:
3303:
3301:
3298:
3296:
3293:
3291:
3288:
3286:
3283:
3281:
3280:Hermosa Creek
3278:
3276:
3273:
3271:
3268:
3266:
3263:
3261:
3258:
3256:
3253:
3251:
3248:
3246:
3243:
3241:
3240:Comanche Peak
3238:
3236:
3233:
3231:
3228:
3226:
3223:
3221:
3220:Buffalo Peaks
3218:
3216:
3213:
3211:
3208:
3207:
3205:
3203:
3199:
3193:
3190:
3188:
3185:
3184:
3182:
3180:
3176:
3170:
3167:
3165:
3162:
3160:
3157:
3155:
3152:
3150:
3147:
3145:
3142:
3140:
3137:
3135:
3132:
3130:
3127:
3125:
3122:
3120:
3117:
3116:
3114:
3112:
3108:
3102:
3099:
3098:
3096:
3094:
3090:
3084:
3081:
3079:
3076:
3074:
3071:
3069:
3066:
3065:
3063:
3061:
3057:
3051:
3048:
3047:
3045:
3043:
3039:
3033:
3030:
3027:
3023:
3020:
3019:
3017:
3015:
3011:
3005:
3002:
3000:
2997:
2995:
2992:
2991:
2989:
2987:
2983:
2977:
2974:
2972:
2969:
2967:
2964:
2962:
2959:
2957:
2954:
2951:
2947:
2944:
2941:
2937:
2934:
2931:
2927:
2924:
2921:
2917:
2913:
2912:Browns Canyon
2910:
2909:
2907:
2905:
2901:
2895:
2892:
2890:
2887:
2885:
2882:
2880:
2877:
2876:
2874:
2872:
2868:
2865:
2863:
2859:
2855:
2848:
2843:
2841:
2836:
2834:
2829:
2828:
2825:
2815:
2814:
2801:
2795:
2792:
2790:
2787:
2785:
2782:
2780:
2777:
2775:
2772:
2770:
2767:
2765:
2762:
2760:
2757:
2755:
2752:
2750:
2747:
2745:
2742:
2740:
2737:
2735:
2732:
2730:
2727:
2725:
2722:
2720:
2717:
2715:
2712:
2711:
2709:
2707:
2703:
2697:
2694:
2692:
2689:
2687:
2684:
2682:
2679:
2677:
2674:
2672:
2669:
2667:
2664:
2662:
2659:
2657:
2654:
2652:
2649:
2647:
2644:
2642:
2639:
2637:
2634:
2632:
2629:
2627:
2624:
2622:
2619:
2617:
2614:
2612:
2609:
2607:
2604:
2602:
2599:
2597:
2594:
2592:
2589:
2587:
2584:
2582:
2579:
2577:
2574:
2572:
2569:
2567:
2564:
2562:
2559:
2557:
2554:
2552:
2549:
2547:
2544:
2542:
2539:
2537:
2534:
2532:
2529:
2527:
2524:
2522:
2519:
2517:
2514:
2512:
2509:
2507:
2504:
2502:
2499:
2497:
2494:
2492:
2489:
2487:
2484:
2482:
2479:
2477:
2474:
2472:
2469:
2467:
2464:
2462:
2459:
2457:
2454:
2452:
2449:
2447:
2444:
2442:
2439:
2437:
2434:
2432:
2429:
2427:
2424:
2422:
2419:
2417:
2414:
2412:
2409:
2407:
2404:
2402:
2399:
2397:
2394:
2392:
2389:
2387:
2384:
2382:
2379:
2378:
2376:
2374:
2370:
2364:
2361:
2359:
2356:
2354:
2353:Woodland Park
2351:
2349:
2346:
2344:
2341:
2339:
2336:
2334:
2331:
2329:
2326:
2324:
2321:
2319:
2316:
2314:
2311:
2309:
2306:
2304:
2301:
2299:
2296:
2294:
2291:
2289:
2286:
2284:
2281:
2279:
2276:
2274:
2271:
2269:
2266:
2264:
2261:
2259:
2256:
2254:
2251:
2249:
2246:
2244:
2241:
2239:
2236:
2234:
2231:
2229:
2226:
2224:
2221:
2219:
2216:
2214:
2211:
2209:
2206:
2204:
2203:Idaho Springs
2201:
2199:
2196:
2194:
2191:
2189:
2186:
2184:
2181:
2179:
2176:
2174:
2171:
2169:
2166:
2164:
2161:
2159:
2156:
2154:
2151:
2149:
2146:
2144:
2141:
2139:
2136:
2134:
2131:
2129:
2126:
2124:
2121:
2119:
2116:
2114:
2111:
2109:
2106:
2104:
2101:
2099:
2096:
2094:
2091:
2089:
2088:Cripple Creek
2086:
2084:
2081:
2079:
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2073:Commerce City
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1759:Federal lands
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1372:9780813724355
1368:
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1213:
1207:
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1184:
1178:
1163:
1159:
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1149:
1143:
1139:
1130:
1127:
1125:
1122:
1119:
1116:
1113:
1110:
1109:
1103:
1097:Paleoaltitude
1094:
1090:
1084:Paleohabitats
1081:
1077:
1073:
1069:
1060:
1057:
1053:
1048:
1046:
1042:
1038:
1034:
1030:
1026:
1024:
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948:
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936:
932:
928:
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920:
916:
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904:
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896:
892:
888:
884:
880:
873:
869:
868:
863:
859:
857:
853:
849:
845:
838:Invertebrates
835:
832:
828:
827:invertebrates
818:
814:
811:
806:
802:
800:
796:
792:
788:
787:coast redwood
784:
783:
772:
760:
755:
751:
748:
745:
741:
737:
731:
728:
719:
718:
713:
704:
700:
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694:
686:
685:
679:
670:
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664:
659:
656:
652:
648:
644:
639:
630:
621:
617:
615:
611:
607:
603:
599:
598:Hayden Survey
594:
592:
587:
577:
575:
571:
567:
563:
559:
555:
551:
547:
538:
535:
531:
528:
525:
521:
517:
513:
502:
498:
494:
490:
485:
457:
453:
450:
447:
443:
439:
435:
434:Teller County
432:
428:
407:
382:
372:
365:
360:
355:
354:IUCN category
350:
345:
317:
289:
279:
275:
271:
267:
263:
260:
257:
253:
248:
245:
244:United States
234:
230:
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187:
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176:
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96:
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86:
81:
76:
71:
66:
61:
56:
51:
46:
40:
33:
29:
25:
20:
6100:South Dakota
6090:Rhode Island
6085:Pennsylvania
6065:North Dakota
5791:
5665:Sand to Snow
5515:Sand to Snow
5490:Misty Fjords
5475:Chimney Rock
5412:Waco Mammoth
5357:Scotts Bluff
5347:Russell Cave
5312:Oregon Caves
5247:Hohokam Pima
5202:Fossil Butte
5192:Fort Stanwix
5187:Fort Pulaski
5177:Fort McHenry
5132:Devils Tower
5097:Cedar Breaks
4941:
4837:Poudre River
4812:Mineral Belt
4666:Peak to Peak
4573:Zapata Falls
4388:Narraguinnep
4358:Mini-Wheeler
4062:State Forest
4004:State Forest
3904:Jackson Lake
3884:Fishers Peak
3854:Cherry Creek
3720:Hanging Lake
3672:Temple Aaron
3617:Lowry Pueblo
3415:Vasquez Peak
3395:Sarvis Creek
3360:Platte River
3355:Never Summer
3345:Mount Zirkel
3295:Indian Peaks
3260:Fossil Ridge
2946:Chimney Rock
2804:
2138:Fort Collins
2058:Central City
2048:Castle Pines
1955:Homelessness
1935:Demographics
1904:Wildernesses
1834:Paleontology
1724:Bibliography
1704:
1638:
1629:
1619:
1606:
1569:. Retrieved
1565:
1555:
1546:
1537:
1497:
1473:
1440:
1436:
1430:
1421:
1409:. Retrieved
1405:
1401:
1388:
1376:. Retrieved
1362:
1358:
1324:
1265:. Retrieved
1254:
1237:
1233:
1227:
1216:. Retrieved
1206:
1190:. Retrieved
1177:
1165:. Retrieved
1151:
1142:
1100:
1091:
1087:
1078:
1074:
1070:
1066:
1063:Paleoclimate
1049:
1027:
1012:
992:
979:
931:web-spinners
907:grasshoppers
877:
865:
841:
824:
815:
809:
807:
803:
790:
780:
777:
732:
723:
715:
701:
690:
682:
667:
660:
658:lake floor.
635:
618:
595:
585:
583:
569:
545:
543:
273:Year defined
250:Type section
6221:Other areas
6181:Puerto Rico
6015:Mississippi
5930:Connecticut
5545:Avi Kwa Ame
5427:Yucca House
5327:Pipe Spring
5182:Fort Monroe
5057:Camp Nelson
5022:Aztec Ruins
4817:Mount Evans
4777:Devils Head
4646:Lariat Loop
4591:Alpine Loop
4443:Raven Ridge
4044:Yampa River
4029:Sylvan Lake
3974:Rifle Falls
3919:Lake Pueblo
3874:Eleven Mile
3775:Summit Lake
3496:Rocky Flats
3491:Monte Vista
3486:Browns Park
3410:Uncompahgre
3330:Mount Evans
3310:Lizard Head
3250:Eagles Nest
3169:White River
3164:Uncompahgre
2976:Yucca House
2759:High Plains
2431:Clear Creek
2348:Wheat Ridge
2343:Westminster
2268:Monte Vista
2148:Fort Morgan
2143:Fort Lupton
1960:LGBT rights
1566:www.nps.gov
1045:brontothere
1037:brontothere
989:Vertebrates
959:butterflies
939:snake flies
919:cockroaches
903:damselflies
899:dragonflies
870:, a fossil
831:vertebrates
799:angiosperms
638:Proterozoic
479: /
467:105°17′11″W
455:Coordinates
209: /
197:105°17′13″W
184:Coordinates
32:Late Eocene
6311:Categories
6130:Washington
6050:New Mexico
6045:New Jersey
5920:California
5605:Gold Butte
5560:Bears Ears
5455:Bears Ears
5322:Petroglyph
5297:Muir Woods
5257:Jewel Cave
5197:Fort Union
5147:El Malpais
5112:Chiricahua
4852:Swamp Park
4787:Grays Peak
4772:Crag Crest
4757:Bear Creek
4631:Grand Mesa
4458:Roxborough
3999:Stagecoach
3984:Roxborough
3964:Pearl Lake
3894:Harvey Gap
3755:Sand Creek
3745:Roxborough
3740:Raton Mesa
3647:Raton Pass
3637:Pikes Peak
3534:South Park
3365:Powderhorn
3325:Mesa Verde
3315:Lost Creek
3300:James Peak
3285:Holy Cross
3225:Byers Peak
3154:San Isabel
3144:Rio Grande
3124:Grand Mesa
2889:Mesa Verde
2686:Washington
2666:San Miguel
2646:Rio Grande
2641:Rio Blanco
2561:Las Animas
2541:Kit Carson
2416:Broomfield
2338:Walsenburg
2298:Rocky Ford
2278:Northglenn
2253:Louisville
2228:Las Animas
2053:Centennial
2043:Cañon City
2038:Burlington
2028:Broomfield
2013:Black Hawk
1844:Prehistory
1769:Government
1749:Coloradans
1571:2022-05-05
1443:(1): 1–16.
1411:28 October
1378:28 October
1218:2018-04-09
1192:2012-05-13
1135:References
1124:Vim Wright
1056:amphibians
1023:shorebirds
985:(snails).
983:gastropods
955:mosquitoes
891:gall mites
883:harvestmen
848:millipedes
844:arthropods
766:Paleoflora
757:Petrified
663:Cretaceous
586:Florissant
550:Florissant
500:Authorized
464:38°54′49″N
194:38°54′50″N
6140:Wisconsin
6105:Tennessee
6010:Minnesota
5985:Louisiana
5781:Tule Lake
5540:Agua Fria
5530:Bureau of
5392:Tule Lake
5372:Stonewall
5332:Pipestone
5272:Lava Beds
5252:Hovenweep
5027:Bandelier
5017:Aniakchak
4867:Vail Pass
4862:Two Ponds
4807:Lake Fork
3994:St. Vrain
3979:Rifle Gap
3929:Lone Mesa
3849:Chatfield
3839:Boyd Lake
3834:Barr Lake
3506:Two Ponds
3420:Weminuche
3305:La Garita
3255:Flat Tops
3149:Roosevelt
3032:Curecanti
2971:Hovenweep
2591:Montezuma
2531:Jefferson
2396:Archuleta
2243:Lone Tree
2238:Littleton
2233:Leadville
2213:Lafayette
2118:Englewood
2113:Edgewater
1945:Education
1854:Railroads
1809:Mountains
1764:Geography
1754:Elections
1709:(capital)
1167:August 8,
1039:, and an
1004:catfishes
943:lacewings
879:Arachnids
852:ostracods
616:in 1894.
584:The name
255:Named for
163:Lithology
155:Thickness
135:Formation
6296:Category
6125:Virginia
6075:Oklahoma
6055:New York
6030:Nebraska
6020:Missouri
6005:Michigan
5995:Maryland
5980:Kentucky
5960:Illinois
5935:Delaware
5925:Colorado
5915:Arkansas
5625:Jurassic
5600:Fort Ord
5500:Newberry
5402:Tuzigoot
5152:El Morro
5137:Dinosaur
5117:Colorado
5052:Cabrillo
4518:Staunton
4238:Fairview
4009:Staunton
3864:Crawford
3425:West Elk
3187:Comanche
3159:San Juan
3129:Gunnison
2961:Dinosaur
2956:Colorado
2671:Sedgwick
2661:San Juan
2656:Saguache
2621:Phillips
2596:Montrose
2546:La Plata
2521:Huerfano
2516:Hinsdale
2511:Gunnison
2496:Garfield
2441:Costilla
2426:Cheyenne
2391:Arapahoe
2373:Counties
2328:Trinidad
2323:Thornton
2318:Sterling
2308:Sheridan
2273:Montrose
2258:Loveland
2248:Longmont
2218:Lakewood
2208:La Junta
2193:Gunnison
2163:Glendale
2153:Fountain
2133:Florence
2023:Brighton
1970:Religion
1965:Politics
1950:Gun laws
1920:Abortion
1879:Timeline
1804:Military
1744:Colleges
1696:Colorado
1580:cite web
1492:195-198.
1396:(1894).
1365:: 1–18.
1106:See also
1052:reptiles
1041:oreodont
923:termites
915:katydids
911:crickets
895:Mayflies
856:mollusks
515:Visitors
438:Colorado
430:Location
265:Named by
226:Colorado
178:Location
141:Overlies
6242:Related
6145:Wyoming
6120:Vermont
6025:Montana
5965:Indiana
5945:Georgia
5940:Florida
5910:Arizona
5900:Alabama
5694:Other (
5422:Wupatki
4857:Two Elk
3969:Ridgway
3944:Mueller
3924:Lathrop
3879:Elkhead
3476:Arapaho
3471:Alamosa
3375:Raggeds
3119:Arapaho
3022:Arapaho
2862:Federal
2706:Regions
2631:Prowers
2581:Mineral
2566:Lincoln
2556:Larimer
2526:Jackson
2491:Fremont
2481:El Paso
2471:Douglas
2466:Dolores
2446:Crowley
2436:Conejos
2421:Chaffee
2411:Boulder
2386:Alamosa
2198:Holyoke
2183:Greeley
2108:Durango
2018:Boulder
1993:Alamosa
1940:Economy
1930:Culture
1913:Society
1874:Symbols
1864:Slavery
1819:Museums
1779:History
1734:Outline
1624:685-696
1612:diptera
1267:29 June
1234:Geology
1033:opossum
1029:Mammals
1019:rollers
1000:suckers
996:bowfins
947:beetles
935:cicadas
927:earwigs
759:redwood
736:diatoms
707:Fossils
647:caldera
624:Geology
580:History
533:Website
505: (
232:Country
168:Primary
106:↓
6080:Oregon
6035:Nevada
5975:Kansas
5950:Hawaii
5905:Alaska
5841:Topics
5307:Navajo
4767:Calico
4730:Trails
4348:McElmo
4268:Gothic
3959:Paonia
3949:Navajo
3939:Mancos
3192:Pawnee
2994:Amache
2681:Teller
2676:Summit
2636:Pueblo
2626:Pitkin
2601:Morgan
2586:Moffat
2501:Gilpin
2486:Elbert
2461:Denver
2451:Custer
2333:Victor
2303:Salida
2288:Pueblo
2173:Golden
2158:Fruita
2103:Denver
2093:Dacono
2078:Cortez
2008:Aurora
1998:Arvada
1985:Cities
1975:Sports
1894:Trails
1859:Rivers
1784:Images
1716:Topics
1706:Denver
1369:
1331:
1186:(XLSX)
1015:cuckoo
1006:, and
854:; and
747:blooms
744:diatom
727:lahars
720:flower
693:Guffey
655:Lahars
566:diatom
558:Eocene
241:
222:Region
6212:Palau
6110:Texas
5990:Maine
5955:Idaho
5387:Tonto
3812:State
3380:Rawah
3350:Neota
2651:Routt
2611:Ouray
2606:Otero
2571:Logan
2536:Kiowa
2506:Grand
2476:Eagle
2456:Delta
2381:Adams
2293:Rifle
2283:Ouray
2223:Lamar
2123:Evans
2098:Delta
2083:Craig
2033:Brush
2003:Aspen
1925:Crime
1889:Towns
1799:Lists
1729:Index
1692:State
967:wasps
963:moths
951:flies
821:Fauna
740:biota
651:lahar
572:is a
268:Cross
172:Shale
6166:Guam
6115:Utah
6070:Ohio
5970:Iowa
5717:Army
5713:USAF
5709:NOAA
5705:AFRH
4752:Barr
4747:Apex
4039:Vega
3934:Lory
3481:Baca
3139:Pike
3026:USFS
2950:USFS
2930:USFS
2920:USFS
2696:Yuma
2691:Weld
2616:Park
2576:Mesa
2551:Lake
2406:Bent
2401:Baca
2363:Yuma
2358:Wray
1586:link
1413:2021
1406:GF-7
1380:2021
1367:ISBN
1329:ISBN
1269:2015
1169:2012
1021:and
975:ants
971:bees
885:and
872:wasp
544:The
492:Area
276:1894
131:Type
45:PreꞒ
5700:DOE
5696:FWS
2940:BLM
2916:BLM
1794:Law
1694:of
1363:435
1242:doi
1054:or
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