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period dating back over two million years ago, glaciation advancing and retreating repeatedly scoured the landscape leaving deposits of rock debris. The last glacial retreat in the area began about 14,000 years ago and was north of the Canada–US border by 10,000 years ago. The U-shaped cross section
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in combination with glaciation have been the dominant processes which have created the tall peaks and deep valleys of the
Cascade Range.
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Beckey, Fred W. Cascade Alpine Guide, Climbing and High Routes. Seattle, WA: Mountaineers Books, 2008.
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The history of the formation of the
Cascade Mountains dates back millions of years ago to the late
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of the river valleys is a result of that recent glaciation.
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is a 4,824-foot (1,470-metre) mountain summit located in
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279:state. It's situated at the western edge of the
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525:The Natural History of Puget Sound Country
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485:United States Department of the Interior
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570:Mountains of King County, Washington
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476:Geographic Names Information System
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527:. University of Washington Press.
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311:Green Mountain is located in the
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585:Mountains of Washington (state)
481:United States Geological Survey
399:Geography of Washington (state)
161:Show map of Washington (state)
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590:North American 1000 m summits
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194:Show map of the United States
447:"Green Mountain - 4,824' WA"
426:"Green Mountain, Washington"
49:4,824 ft (1,470 m)
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523:Kruckeberg, Arthur (1991).
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82:2.53 mi (4.07 km)
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543:National Weather Service
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110:47.517633°N 121.673602°W
59:464 ft (141 m)
213:Washington state, U.S.
158:Location in Washington
115:47.517633; -121.673602
547:Localized weather:
283:on land managed by
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16:Mountain in America
355:Epoch. During the
337:maritime influence
39:Highest point
549:Mountain Forecast
541:Weather forecast:
329:Cascade Mountains
323:originate in the
313:marine west coast
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488:. Retrieved
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454:. Retrieved
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221:Parent range
357:Pleistocene
273:King County
209:King County
113: /
101:121°40′25″W
88:Coordinates
65:Parent peak
564:Categories
490:2019-10-10
456:2022-03-25
405:References
277:Washington
261:Scrambling
98:47°31′03″N
72:(4,965 ft)
55:Prominence
341:avalanche
126:Geography
78:Isolation
45:Elevation
372:See also
366:faulting
343:danger.
248:Climbing
242:Mount Si
234:Topo map
205:Location
555:YouTube
347:Geology
319:. Most
307:Climate
362:Uplift
353:Eocene
297:runoff
364:and
239:USGS
275:of
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.