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Petroleum County, Montana

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572:(330 mm) at Mosby; at these locations, the mean winter temperatures are 24, 25 and 23 °F (−4, −4 and −5 °C) respectively. The lowest temperature recorded at Mosby was on January 24, 1969, of −43 °F (−42 °C). The maximum temperature recorded was 108 °F (42 °C) on July 19, 1960, at Flatwillow. Nearly 70% of rainfall occurs from April to September, also the growing season for many crops in the county. The average seasonal snowfall is 40 in (100 cm) at Flatwillow, 63 in (160 cm) at Grass Range and 36 in (91 cm) at Mosby. Average wind speed is about 17 miles per hour (7.6 m/s) and is higher in winter months than summer months. 57: 45: 459:, the county has a total area of 1,674 square miles (4,340 km), 1,655 square miles (4,290 km) land and 19 square miles (49 km) (1.1%) water. Its average elevation is 2,250–4,000 feet (690–1,220 m). The land lies in the Missouri Plateau section of the Great Plains. The uplands are generally of fairly level land and valleys while the general topography is of rolling hills and valleys except for sharp gullies on the side slopes of Missouri and Musselshell Rivers in certain stretches. The southern part of the county consists of moderate hill slopes and gentle valleys, interspersed with steep cliffs. 2506: 581: 609: 72: 703:. Agriculture, forestry, fishing and hunting are attributed to 66% of the population. 58.2% of people in the county are employed in mining. Another 15.5% are employed in educational, health and social services. Some of the notable ranches in the county are: McArthur Ranch, Maxwell Ranch, Crooked Creek Campground, Fail Ranch, and Novak Homestead. As of 2012, the average size of farms was 6,045 acres and the area under all harvested wheat grain was 14,720 acres (5,960 ha). The major crops grown in the county are wheat (both 440: 127: 410: 947:, there were 494 people, 225 households, and 143 families residing in the county. The population density was 0.3 people per square mile (0.12 people/km). There were 324 housing units at an average density of 0.2 units per square mile (0.077/km). The racial makeup of the county was 98.8% white, 0.0% from other races, and 1.2% from two or more races. Those of Hispanic or Latino origin made up 1.0% of the population. In terms of ancestry, 35.1% were 3237: 144: 244: 686:
of which 6,500 acres are characterized as commercial forest land; Ponderosa pine, Douglas fir, and Plains cottonwood are noted. The forest understory features obtuse sedge, creeping juniper, Rocky Mountain juniper, bluebunch wheatgrass, Little lbuestern, and hawksbeard. The county has elk, white-tailed deer, mule deer and pronghorn antelope. There are
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The county was always one of the most sparsely populated areas of the US, and the population has continued to decline. The 1930 census listed 2,045 residents. The county was brought under administrative format of the "county manager" in 1944. By the time of the 1980 census, the population was reduced
423:, producing high-grade crude. By 1922 it was producing 2.2 million barrels annually. In 1925, the state legislature split the eastern area of Fergus County into a separate entity, named Petroleum County, to denote its status as the first place in Montana where petroleum was discovered, and designated 970:
Of the 225 households, 28.0% had children under the age of 18 living with them, 55.1% were married couples living together, 4.0% had a female householder with no husband present, 36.4% were non-families, and 35.1% of all households were made up of individuals. The average household size was 2.20 and
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Rangeland contains wheatgrass, forbs, shrubs, green needlegrass, blue grama, big sagebrush, plains prickly pear, wooly Indian wheat, weedlike forbs, broom snakeweed, Nuttal saltbush, prairie sandreed, horizontal juniper, plains reedgrass, golden pea, and prairie rose. Forest land covers 64,296 acres
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The mean annual precipitation is 13 inches (330 mm). The mean annual temperature is in the range of 42–47 °F (6–8 °C). Frost is recorded during the season for 105–135 days. Rainfall is 13 inches (330 mm) in Flatwillow, it is 16 inches (410 mm) at Grass Range, and 13 inches
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As of March 2012, the cost of living index in the county was 82.255 below the national average of 100. Petroleum and cattle raising are the principal economic activities; livestock farming accounts for 89.7% of the farm income. Crude oil from the Cat Creek and Rattlesnake Butte fields is piped to
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The median income for a household in the county was $ 36,875 and the median income for a family was $ 39,107. Males had a median income of $ 25,991 versus $ 21,705 for females. The per capita income for the county was $ 21,008. About 18.1% of families and 16.7% of the population were below the
405:
Fort Magginis (built in western Fergus County in 1880) subdued Indian raids in the area, allowing cattle raising to prosper. Gold was also discovered in the Fergus County mountains; from 1911 to 1915, stakes in the county were claimed by prospectors. Area claims were limited to 320 acres
402:, a rancher who had been adopted into the Sioux tribe, started a ranch in Montana Territory in 1879. His ranch house (built 1900) became a gathering place for the area. In 1910, he built a store and petitioned for a post office; thus Winnett became an official town. 987:
Voters in Petroleum County generally vote Republican in national elections. Since 1928 they selected the Republican candidate in 78% of the elections. The last election where Petroleum went for a Democrat was in 1964.
1976: 2382: 2368: 1798: 524:
The northern part of the county has abundant surface water resources, with little agricultural land to use it. In other parts of the county, agriculture is reliant on underground water resources.
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is petroleum-bearing, and divides the county into two areas: to the north, geological formations of Bearpaw Shale or the Hell Creek Formation; to the south, formations containing older
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are grown as cattle feed under irrigated conditions along the main river course and also on the banks of creeks such as Flat Willow, Box Elder, and Macdonald.
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of Cretaceous Age are found as outcrops throughout the county. Sandstones are noted in alternate sequences and are identified at deeper depths in Cat Creek.
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Geology of the Big Bend area, Texas: field trip guidebook with road log and papers on natural history of the area
2071: 1820: 2318: 3037: 2690: 406:(130 ha); in 1930 many of these lands reverted to the federal government as settlers deserted the town. 3132: 3057: 2796: 2658: 3222: 3187: 3107: 2939: 2680: 2675: 1010: 552: 456: 3182: 3177: 3002: 2962: 2947: 3293: 3212: 3157: 3052: 2811: 2702: 2638: 944: 932: 888: 873: 858: 843: 828: 813: 798: 783: 768: 753: 347: 3202: 3172: 3152: 3122: 3102: 3027: 3022: 3017: 2982: 2952: 2653: 540: 534: 3167: 3162: 3147: 3142: 3127: 3097: 3092: 3082: 3077: 3072: 3042: 3032: 2992: 2977: 2854: 2195: 546: 2252: 419:
In February 1920, oil was discovered in the SE part of the county. This area developed into the
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Parrish, J. Michael; Molnar, Ralph E.; Currie, Philip J.; Koppelhus, Eva B. (June 26, 2013).
580: 383: 2401: 2143: 1890: 3112: 3062: 3047: 2869: 2557: 2296: 2102: 674: 608: 399: 278: 8: 2909: 2904: 2758: 2728: 2723: 2695: 2532: 2517: 2231:"Annual Estimates of the Resident Population for Counties: April 1, 2020 to July 1, 2022" 1771: 473: 420: 413: 2929: 2899: 2889: 2663: 2625: 2527: 1753: 289: 268: 1864: 2914: 2874: 2864: 2839: 2834: 2829: 2197:
Draft environmental statement on grazing management in the Missouri Brakes of Montana
2149: 1955: 1898: 700: 493: 468: 452: 395: 2844: 2733: 2578: 2495: 2476: 1740: 424: 387: 359: 181: 2924: 2919: 2894: 2884: 2859: 2806: 2786: 2615: 2537: 2169: 2043: 2018: 1927: 1776: 656: 350:, the population was 496, making it the least populous county in Montana and the 439: 3241: 2879: 2849: 956: 637: 488: 2743: 3287: 3269: 3256: 103: 90: 77: 2791: 2753: 2648: 2016: 1891:
Ellie Arguimbau; Ellen Baumler; Charlene L. Porsild; Brian Shovers (2009).
979:, including 26.3% of those under age 18 and 12.7% of those age 65 or over. 976: 960: 704: 409: 2763: 1799:
National Register of Historic Places listings in Petroleum County, Montana
992:
United States presidential election results for Petroleum County, Montana
2748: 2738: 2469: 670: 625: 584: 379: 355: 176: 2685: 2601: 952: 645: 339: 2344: 2045:
Who owns the West: sixteen case studies on natural resource ownership
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in 1925 to become the last of Montana's 56 counties to be organized.
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the average family size was 2.83. The median age was 47.3 years.
948: 712: 444: 343: 149: 62: 2023:. Independent Publishing Company, State Printers. pp. 117–8 311: 708: 659: 613: 2193: 2070:. United States Census Bureau. August 22, 2012. Archived from 649: 391: 2204: 2487: 2297:"Population of Counties by Decennial Census: 1900 to 1990" 394:. In 1868 a trading post was established at the mouth of 1886: 1884: 1882: 2017:
Montana. Dept. of Agriculture and Publicity (1933).
1879: 2174:. West Texas Geological Society. 1972. p. 21. 2135: 3285: 2215:sfn error: no target: CITEREFSoilsIndustry1993 ( 640:runs along the northern end of the county. This 2406:. U.S. Dept. of Agriculture ("Soils Industry"). 2223: 1954:. Montana Community Information. Archived from 451:The county's eastern boundary is formed by the 2399: 1794:List of mountains in Petroleum County, Montana 935:, there were 496 people living in the county. 2586: 2438: 2210: 1932:. Montana State University. 1958. p. 404 1747: 2505: 2041: 690:, eagles and Gray, or Hungarian, partridge. 2048:. Western Organization of Resource Councils 1897:. Montana Historical Society. p. 204. 1894:Montana Place Names: From Alzada to Zortman 598:Charles M. Russell National Wildlife Refuge 2593: 2579: 2445: 2431: 2042:Diggs, David M.; Sweeney, Patrick (1985). 1789:List of lakes in Petroleum County, Montana 352:eighth-least populous in the United States 220:19 sq mi (50 km)  1.1% 362:. The county's area was partitioned from 2403:Soil Survey of Petroleum County, Montana 607: 579: 438: 408: 2194:U.S. Bureau of Land Management (1979). 2148:. Indiana University Press. p. 5. 2097: 2095: 2093: 2091: 2089: 3304:Montana counties on the Missouri River 3286: 2386:Google Maps (accessed January 4, 2019) 2372:Google Maps (accessed January 4, 2019) 2200:. Montana State Office. pp. 2–36. 2020:Resources and Opportunities of Montana 2003: 2001: 1999: 1997: 1995: 1993: 1991: 1989: 1987: 1980:Google Maps (accessed January 4, 2019) 746: 49:Petroleum County Courthouse in Winnett 2574: 2426: 1765: 1009: 1004: 999: 996: 212:1,655 sq mi (4,290 km) 204:1,674 sq mi (4,340 km) 3314:Populated places established in 1925 2600: 2345:"Atlas of US Presidential Elections" 2086: 1815: 1813: 527: 1984: 13: 2504: 2453:Municipalities and communities of 1867:. National Association of Counties 736: 680: 593:War Horse National Wildlife Refuge 575: 61:Location within the U.S. state of 14: 3325: 2411: 1810: 3235: 2802:Regional designations of Montana 2342: 2277:. University of Virginia Library 2253:"United States Decennial Census" 2103:"Petroleum County, Montana (MT)" 243: 242: 142: 125: 70: 55: 43: 16:County in Montana, United States 2393: 2376: 2362: 2336: 2311: 2289: 2267: 2245: 2187: 2178: 2162: 2126: 2117: 2060: 2035: 2010: 1978:Fort Maginnis Historical Marker 1821:"State & County QuickFacts" 722: 3309:1925 establishments in Montana 1970: 1944: 1920: 1911: 1857: 1845:. PolicyMap. February 28, 2011 1835: 938: 926: 398:; it was named "Musselshell". 76:Montana's location within the 1: 2324:. United States Census Bureau 2299:. United States Census Bureau 2255:. United States Census Bureau 2233:. United States Census Bureau 2068:"2010 Census Gazetteer Files" 1823:. United States Census Bureau 1804: 434: 7: 2275:"Historical Census Browser" 1782: 982: 462: 457:United States Census Bureau 238: • Estimate  10: 3330: 2145:Tyrannosaurid Paleobiology 1748:Unincorporated communities 693: 603: 566: 369: 3299:Petroleum County, Montana 3231: 2938: 2820: 2777: 2716: 2644:Congressional delegations 2624: 2612: 2546: 2516: 2502: 2486: 2467: 2456:Petroleum County, Montana 2418:Petroleum County, Montana 1031: 1028: 1025: 1022: 1019: 915: 902: 887: 872: 857: 842: 827: 812: 797: 782: 767: 752: 745: 740: 735: 732: 621:Metengonoceras teigenense 482: 320: 306: 296: 275: 258: 254:0.30/sq mi (0.11/km) 250: 237: 229: 224: 216: 208: 200: 195: 187: 175: 163: 155: 137: 119: 84: 69: 54: 42: 33: 26: 2184:SoilsIndustry pp. 98-103 520:Headman-Field Reservoir. 499: 323:Montana county number 55 2400:John A Lindahl (1993). 1917:Soils Industry, pp. 1-2 1734: 2510: 707:and spring wheat) and 673:was discovered in the 667:Judith River Formation 665:was discovered in the 629: 588: 517:Yellow Water Reservoir 448: 416: 297:Congressional district 2797:Glacier National Park 2508: 2132:SoilsIndustry pp. 3-4 2123:SoilsIndustry pp. 7-8 2007:SoilsIndustry pp. 1-3 918:1790–1960, 1900–1990, 916:U.S. Decennial Census 728:Historical population 611: 583: 442: 412: 374:The area was home to 277: • Summer ( 2559:United States portal 2509:Petroleum County map 920:1990–2000, 2010–2020 675:Hell Creek Formation 624:from the Cretaceous 612:A ~11.5 cm diameter 587:on the War Horse NWR 251: • Density 3266: /  2708:Tourist attractions 2696:The Last Best Place 2349:uselectionatlas.org 2074:on December 5, 2014 1929:The Montana Almanac 1761:Valentine (partial) 993: 729: 455:. According to the 421:Cat Creek Oil Field 414:Cat Creek Oil Field 400:Walter John Winnett 100: /  3242:Montana portal 2511: 2211:SoilsIndustry 1993 1766:Former communities 991: 727: 630: 628:, Petroleum County 589: 553:Musselshell County 449: 417: 230: • Total 217: • Water 201: • Total 3249: 3248: 2568: 2567: 2155:978-0-253-00947-0 1958:on April 26, 2012 1904:978-0-9759196-1-3 1732: 1731: 924: 923: 636:ridge with steep 528:Adjacent counties 494:Musselshell River 478:State Highway 244 474:State Highway 200 453:Musselshell River 396:Musselshell River 329: 328: 312:petroleumcountymt 209: • Land 159:February 25, 1925 21:County in Montana 3321: 3294:Montana counties 3281: 3280: 3278: 3277: 3276: 3271: 3270:47.11°N 108.26°W 3267: 3264: 3263: 3262: 3259: 3240: 3239: 3238: 2595: 2588: 2581: 2572: 2571: 2560: 2553: 2507: 2479: 2472: 2462: 2457: 2447: 2440: 2433: 2424: 2423: 2407: 2388: 2380: 2374: 2366: 2360: 2359: 2357: 2355: 2340: 2334: 2333: 2331: 2329: 2323: 2315: 2309: 2308: 2306: 2304: 2293: 2287: 2286: 2284: 2282: 2271: 2265: 2264: 2262: 2260: 2249: 2243: 2242: 2240: 2238: 2227: 2221: 2220: 2208: 2202: 2201: 2191: 2185: 2182: 2176: 2175: 2166: 2160: 2159: 2139: 2133: 2130: 2124: 2121: 2115: 2114: 2112: 2110: 2099: 2084: 2083: 2081: 2079: 2064: 2058: 2057: 2055: 2053: 2039: 2033: 2032: 2030: 2028: 2014: 2008: 2005: 1982: 1974: 1968: 1967: 1965: 1963: 1948: 1942: 1941: 1939: 1937: 1924: 1918: 1915: 1909: 1908: 1888: 1877: 1876: 1874: 1872: 1861: 1855: 1854: 1852: 1850: 1839: 1833: 1832: 1830: 1828: 1817: 1011:Third party(ies) 994: 990: 963:, and 3.5% were 748: 743: 738: 730: 726: 508:Little Bear Lake 447:from the Highway 332:Petroleum County 316: 313: 282: 246: 245: 170:Petroleum fields 148: 146: 145: 133: 131: 129: 128: 115: 114: 112: 111: 110: 105: 104:47.11°N 108.26°W 101: 98: 97: 96: 93: 74: 59: 47: 28:Petroleum County 24: 23: 3329: 3328: 3324: 3323: 3322: 3320: 3319: 3318: 3284: 3283: 3274: 3272: 3268: 3265: 3260: 3257: 3255: 3253: 3252: 3250: 3245: 3236: 3234: 3227: 3068:Lewis and Clark 2934: 2816: 2807:Western Montana 2787:Eastern Montana 2773: 2712: 2681:Protected areas 2620: 2608: 2599: 2569: 2564: 2558: 2551: 2542: 2519: 2512: 2500: 2482: 2477: 2470: 2463: 2460: 2455: 2451: 2414: 2396: 2391: 2381: 2377: 2367: 2363: 2353: 2351: 2341: 2337: 2327: 2325: 2321: 2317: 2316: 2312: 2302: 2300: 2295: 2294: 2290: 2280: 2278: 2273: 2272: 2268: 2258: 2256: 2251: 2250: 2246: 2236: 2234: 2229: 2228: 2224: 2214: 2213:, pp. 1–3. 2209: 2205: 2192: 2188: 2183: 2179: 2168: 2167: 2163: 2156: 2140: 2136: 2131: 2127: 2122: 2118: 2108: 2106: 2105:. City data.com 2101: 2100: 2087: 2077: 2075: 2066: 2065: 2061: 2051: 2049: 2040: 2036: 2026: 2024: 2015: 2011: 2006: 1985: 1975: 1971: 1961: 1959: 1950: 1949: 1945: 1935: 1933: 1926: 1925: 1921: 1916: 1912: 1905: 1889: 1880: 1870: 1868: 1865:"Find a County" 1863: 1862: 1858: 1848: 1846: 1841: 1840: 1836: 1826: 1824: 1819: 1818: 1811: 1807: 1785: 1768: 1758:Mosby (partial) 1750: 1737: 985: 941: 929: 919: 917: 741: 725: 696: 683: 681:Flora and fauna 657:Tyrannosauridae 606: 578: 576:Protected areas 569: 564: 541:Garfield County 535:Phillips County 530: 505:Wild Horse Lake 502: 485: 465: 437: 376:Native American 372: 310: 276: 143: 141: 126: 124: 123: 108: 106: 102: 99: 94: 91: 89: 87: 86: 80: 65: 50: 38: 29: 22: 17: 12: 11: 5: 3327: 3317: 3316: 3311: 3306: 3301: 3296: 3275:47.11; -108.26 3247: 3246: 3232: 3229: 3228: 3226: 3225: 3220: 3215: 3210: 3205: 3200: 3195: 3190: 3185: 3180: 3175: 3170: 3165: 3160: 3155: 3150: 3145: 3140: 3135: 3130: 3125: 3120: 3115: 3110: 3105: 3100: 3095: 3090: 3085: 3080: 3075: 3070: 3065: 3060: 3055: 3050: 3045: 3040: 3035: 3030: 3025: 3020: 3015: 3010: 3005: 3000: 2995: 2990: 2985: 2980: 2975: 2970: 2965: 2960: 2955: 2950: 2944: 2942: 2936: 2935: 2933: 2932: 2927: 2922: 2917: 2912: 2907: 2902: 2897: 2892: 2887: 2882: 2877: 2872: 2867: 2862: 2857: 2855:Columbia Falls 2852: 2847: 2842: 2837: 2832: 2826: 2824: 2822:Largest cities 2818: 2817: 2815: 2814: 2809: 2804: 2799: 2794: 2789: 2783: 2781: 2775: 2774: 2772: 2771: 2766: 2761: 2756: 2751: 2746: 2741: 2736: 2731: 2726: 2720: 2718: 2714: 2713: 2711: 2710: 2705: 2703:Transportation 2700: 2699: 2698: 2688: 2683: 2678: 2673: 2672: 2671: 2661: 2656: 2651: 2646: 2641: 2639:Climate change 2636: 2630: 2628: 2622: 2621: 2613: 2610: 2609: 2598: 2597: 2590: 2583: 2575: 2566: 2565: 2563: 2562: 2555: 2552:Montana portal 2547: 2544: 2543: 2541: 2540: 2535: 2530: 2524: 2522: 2518:Unincorporated 2514: 2513: 2503: 2501: 2499: 2498: 2492: 2490: 2484: 2483: 2468: 2465: 2464: 2450: 2449: 2442: 2435: 2427: 2421: 2420: 2413: 2412:External links 2410: 2409: 2408: 2395: 2392: 2390: 2389: 2375: 2361: 2335: 2310: 2288: 2266: 2244: 2222: 2203: 2186: 2177: 2161: 2154: 2134: 2125: 2116: 2085: 2059: 2034: 2009: 1983: 1969: 1943: 1919: 1910: 1903: 1878: 1856: 1834: 1808: 1806: 1803: 1802: 1801: 1796: 1791: 1784: 1781: 1780: 1779: 1774: 1767: 1764: 1763: 1762: 1759: 1756: 1749: 1746: 1745: 1744: 1736: 1733: 1730: 1729: 1726: 1723: 1720: 1717: 1712: 1709: 1701: 1700: 1697: 1694: 1689: 1686: 1683: 1680: 1672: 1671: 1668: 1665: 1660: 1657: 1654: 1651: 1643: 1642: 1639: 1636: 1631: 1628: 1625: 1622: 1614: 1613: 1610: 1607: 1604: 1601: 1596: 1593: 1585: 1584: 1581: 1578: 1573: 1570: 1567: 1564: 1556: 1555: 1552: 1549: 1546: 1543: 1538: 1535: 1527: 1526: 1523: 1520: 1517: 1514: 1509: 1506: 1498: 1497: 1494: 1491: 1488: 1485: 1480: 1477: 1469: 1468: 1465: 1462: 1457: 1454: 1451: 1448: 1440: 1439: 1436: 1433: 1430: 1427: 1422: 1419: 1411: 1410: 1407: 1404: 1401: 1398: 1393: 1390: 1382: 1381: 1378: 1375: 1372: 1369: 1364: 1361: 1353: 1352: 1349: 1346: 1343: 1340: 1335: 1332: 1324: 1323: 1320: 1317: 1314: 1311: 1306: 1303: 1295: 1294: 1291: 1288: 1285: 1282: 1277: 1274: 1266: 1265: 1262: 1259: 1256: 1253: 1248: 1245: 1237: 1236: 1233: 1230: 1227: 1224: 1219: 1216: 1208: 1207: 1204: 1201: 1198: 1195: 1190: 1187: 1179: 1178: 1175: 1172: 1169: 1166: 1161: 1158: 1150: 1149: 1146: 1143: 1140: 1137: 1132: 1129: 1121: 1120: 1117: 1114: 1111: 1108: 1103: 1100: 1092: 1091: 1088: 1085: 1082: 1079: 1074: 1071: 1063: 1062: 1059: 1056: 1053: 1050: 1045: 1042: 1034: 1033: 1030: 1027: 1024: 1021: 1018: 1014: 1013: 1008: 1003: 998: 984: 981: 940: 937: 928: 925: 922: 921: 913: 912: 909: 907: 904: 900: 899: 896: 894: 891: 885: 884: 881: 879: 876: 870: 869: 866: 864: 861: 855: 854: 851: 849: 846: 840: 839: 836: 834: 831: 825: 824: 821: 819: 816: 810: 809: 806: 804: 801: 795: 794: 791: 789: 786: 780: 779: 776: 774: 771: 765: 764: 761: 759: 756: 750: 749: 744: 739: 734: 724: 721: 699:refineries in 695: 692: 682: 679: 648:rocks. Marine 605: 602: 601: 600: 595: 577: 574: 568: 565: 563: 562: 556: 550: 547:Rosebud County 544: 538: 531: 529: 526: 522: 521: 518: 515: 512: 511:War Horse Lake 509: 506: 501: 498: 497: 496: 491: 489:Missouri River 484: 481: 480: 479: 476: 471: 464: 461: 436: 433: 378:tribes of the 371: 368: 327: 326: 325: 324: 318: 317: 308: 304: 303: 298: 294: 293: 283: 273: 272: 262: 256: 255: 252: 248: 247: 239: 235: 234: 231: 227: 226: 222: 221: 218: 214: 213: 210: 206: 205: 202: 198: 197: 193: 192: 189: 185: 184: 179: 173: 172: 167: 161: 160: 157: 153: 152: 139: 135: 134: 121: 117: 116: 109:47.11; -108.26 82: 81: 75: 67: 66: 60: 52: 51: 48: 40: 39: 34: 31: 30: 27: 20: 15: 9: 6: 4: 3: 2: 3326: 3315: 3312: 3310: 3307: 3305: 3302: 3300: 3297: 3295: 3292: 3291: 3289: 3282: 3279: 3244: 3243: 3230: 3224: 3221: 3219: 3216: 3214: 3211: 3209: 3206: 3204: 3201: 3199: 3196: 3194: 3191: 3189: 3186: 3184: 3181: 3179: 3176: 3174: 3171: 3169: 3166: 3164: 3161: 3159: 3156: 3154: 3151: 3149: 3146: 3144: 3141: 3139: 3136: 3134: 3131: 3129: 3126: 3124: 3121: 3119: 3116: 3114: 3111: 3109: 3106: 3104: 3101: 3099: 3096: 3094: 3091: 3089: 3086: 3084: 3081: 3079: 3076: 3074: 3071: 3069: 3066: 3064: 3061: 3059: 3056: 3054: 3051: 3049: 3046: 3044: 3041: 3039: 3038:Golden Valley 3036: 3034: 3031: 3029: 3026: 3024: 3021: 3019: 3016: 3014: 3011: 3009: 3006: 3004: 3001: 2999: 2996: 2994: 2991: 2989: 2986: 2984: 2981: 2979: 2976: 2974: 2971: 2969: 2966: 2964: 2961: 2959: 2956: 2954: 2951: 2949: 2946: 2945: 2943: 2941: 2937: 2931: 2928: 2926: 2923: 2921: 2918: 2916: 2913: 2911: 2908: 2906: 2903: 2901: 2898: 2896: 2893: 2891: 2888: 2886: 2883: 2881: 2878: 2876: 2873: 2871: 2868: 2866: 2863: 2861: 2858: 2856: 2853: 2851: 2848: 2846: 2843: 2841: 2838: 2836: 2833: 2831: 2828: 2827: 2825: 2823: 2819: 2813: 2810: 2808: 2805: 2803: 2800: 2798: 2795: 2793: 2790: 2788: 2785: 2784: 2782: 2780: 2776: 2770: 2767: 2765: 2762: 2760: 2757: 2755: 2752: 2750: 2747: 2745: 2742: 2740: 2737: 2735: 2732: 2730: 2727: 2725: 2722: 2721: 2719: 2715: 2709: 2706: 2704: 2701: 2697: 2694: 2693: 2692: 2691:State symbols 2689: 2687: 2684: 2682: 2679: 2677: 2674: 2670: 2667: 2666: 2665: 2662: 2660: 2657: 2655: 2652: 2650: 2647: 2645: 2642: 2640: 2637: 2635: 2632: 2631: 2629: 2627: 2623: 2618: 2617: 2611: 2607: 2603: 2596: 2591: 2589: 2584: 2582: 2577: 2576: 2573: 2561: 2556: 2554: 2549: 2548: 2545: 2539: 2536: 2534: 2531: 2529: 2526: 2525: 2523: 2521: 2515: 2497: 2494: 2493: 2491: 2489: 2485: 2481: 2480: 2473: 2466: 2461:United States 2458: 2448: 2443: 2441: 2436: 2434: 2429: 2428: 2425: 2419: 2416: 2415: 2405: 2404: 2398: 2397: 2387: 2385: 2379: 2373: 2371: 2365: 2350: 2346: 2343:Leip, David. 2339: 2320: 2314: 2298: 2292: 2276: 2270: 2254: 2248: 2232: 2226: 2218: 2212: 2207: 2199: 2198: 2190: 2181: 2173: 2172: 2165: 2157: 2151: 2147: 2146: 2138: 2129: 2120: 2104: 2098: 2096: 2094: 2092: 2090: 2073: 2069: 2063: 2047: 2046: 2038: 2022: 2021: 2013: 2004: 2002: 2000: 1998: 1996: 1994: 1992: 1990: 1988: 1981: 1979: 1973: 1957: 1953: 1947: 1931: 1930: 1923: 1914: 1906: 1900: 1896: 1895: 1887: 1885: 1883: 1866: 1860: 1844: 1838: 1822: 1816: 1814: 1809: 1800: 1797: 1795: 1792: 1790: 1787: 1786: 1778: 1775: 1773: 1770: 1769: 1760: 1757: 1755: 1752: 1751: 1743:(county seat) 1742: 1739: 1738: 1727: 1724: 1721: 1718: 1716: 1713: 1710: 1708: 1707: 1703: 1702: 1698: 1695: 1693: 1690: 1687: 1684: 1681: 1679: 1678: 1674: 1673: 1669: 1666: 1664: 1661: 1658: 1655: 1652: 1650: 1649: 1645: 1644: 1640: 1637: 1635: 1632: 1629: 1626: 1623: 1621: 1620: 1616: 1615: 1611: 1608: 1605: 1602: 1600: 1597: 1594: 1592: 1591: 1587: 1586: 1582: 1579: 1577: 1574: 1571: 1568: 1565: 1563: 1562: 1558: 1557: 1553: 1550: 1547: 1544: 1542: 1539: 1536: 1534: 1533: 1529: 1528: 1524: 1521: 1518: 1515: 1513: 1510: 1507: 1505: 1504: 1500: 1499: 1495: 1492: 1489: 1486: 1484: 1481: 1478: 1476: 1475: 1471: 1470: 1466: 1463: 1461: 1458: 1455: 1452: 1449: 1447: 1446: 1442: 1441: 1437: 1434: 1431: 1428: 1426: 1423: 1420: 1418: 1417: 1413: 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946: 936: 934: 914: 910: 908: 905: 901: 897: 895: 892: 890: 886: 882: 880: 877: 875: 871: 867: 865: 862: 860: 856: 852: 850: 847: 845: 841: 837: 835: 832: 830: 826: 822: 820: 817: 815: 811: 807: 805: 802: 800: 796: 792: 790: 787: 785: 781: 777: 775: 772: 770: 766: 762: 760: 757: 755: 751: 731: 720: 718: 714: 710: 706: 702: 691: 689: 678: 676: 672: 668: 664: 661: 658: 653: 651: 647: 643: 639: 635: 627: 623: 622: 618: 615: 610: 599: 596: 594: 591: 590: 586: 582: 573: 560: 559:Fergus County 557: 554: 551: 548: 545: 542: 539: 536: 533: 532: 525: 519: 516: 514:Petrolia Lake 513: 510: 507: 504: 503: 495: 492: 490: 487: 486: 477: 475: 472: 470: 469:U.S. Route 87 467: 466: 460: 458: 454: 446: 441: 432: 428: 427:as its seat. 426: 422: 415: 411: 407: 403: 401: 397: 393: 389: 385: 381: 377: 367: 365: 364:Fergus County 361: 357: 353: 349: 345: 341: 337: 333: 322: 321: 319: 315: 309: 305: 302: 299: 295: 291: 287: 284: 280: 274: 270: 266: 263: 261: 257: 253: 249: 240: 236: 232: 228: 223: 219: 215: 211: 207: 203: 199: 194: 190: 186: 183: 180: 178: 174: 171: 168: 166: 162: 158: 154: 151: 140: 136: 132:United States 122: 118: 113: 85:Coordinates: 83: 79: 73: 68: 64: 58: 53: 46: 41: 37: 32: 25: 19: 3251: 3233: 3133:Powder River 3117: 3058:Judith Basin 2792:The Flathead 2744:Demographics 2669:bibliography 2614: 2475: 2454: 2402: 2394:Bibliography 2384:Valentine MT 2383: 2378: 2369: 2364: 2352:. Retrieved 2348: 2338: 2328:November 29, 2326:. Retrieved 2313: 2303:November 29, 2301:. Retrieved 2291: 2281:November 29, 2279:. Retrieved 2269: 2259:November 29, 2257:. Retrieved 2247: 2235:. Retrieved 2225: 2206: 2196: 2189: 2180: 2170: 2164: 2144: 2137: 2128: 2119: 2107:. Retrieved 2078:November 29, 2076:. Retrieved 2072:the original 2062: 2050:. Retrieved 2044: 2037: 2025:. Retrieved 2019: 2012: 1977: 1972: 1960:. Retrieved 1956:the original 1946: 1934:. Retrieved 1928: 1922: 1913: 1893: 1869:. Retrieved 1859: 1847:. Retrieved 1837: 1825:. Retrieved 1714: 1704: 1691: 1675: 1662: 1646: 1633: 1617: 1598: 1588: 1575: 1559: 1540: 1530: 1511: 1501: 1482: 1472: 1459: 1443: 1424: 1414: 1395: 1385: 1366: 1356: 1337: 1327: 1308: 1298: 1279: 1269: 1250: 1240: 1221: 1211: 1192: 1182: 1163: 1153: 1134: 1124: 1105: 1095: 1076: 1066: 1047: 1037: 986: 977:poverty line 973: 969: 942: 930: 723:Demographics 705:winter wheat 697: 684: 654: 631: 619: 585:Dung beetles 570: 523: 450: 429: 418: 404: 373: 346:. As of the 331: 330: 188:Largest town 18: 3273: / 3223:Yellowstone 3188:Sweet Grass 3108:Musselshell 2870:Great Falls 2812:Yellowstone 2769:LGBT rights 2520:communities 2471:County seat 945:2010 census 939:2010 census 933:2020 census 927:2020 census 903:2022 (est.) 671:Alamosaurus 626:Mowry Shale 549:– southeast 356:county seat 348:2020 census 107: / 3288:Categories 3183:Stillwater 3178:Silver Bow 3003:Deer Lodge 2963:Broadwater 2948:Beaverhead 2910:Miles City 2905:Livingston 2654:Government 2533:Flatwillow 1805:References 1772:Flatwillow 1029:No.  1023:No.  1017:No.  1006:Democratic 1001:Republican 943:As of the 931:As of the 646:Cretaceous 340:U.S. state 225:Population 3213:Wheatland 3158:Roosevelt 3118:Petroleum 3053:Jefferson 2930:Whitefish 2900:Lewistown 2890:Kalispell 2754:Education 2659:Governors 2649:Geography 2619:(capital) 2528:Cat Creek 1952:"Winnett" 1754:Cat Creek 953:Norwegian 717:grass hay 642:anticline 634:sandstone 435:Geography 388:Nez Perce 384:Blackfoot 260:Time zone 165:Named for 3261:108°16′W 3203:Treasure 3173:Sheridan 3153:Richland 3123:Phillips 3103:Missoula 3028:Garfield 3023:Gallatin 3018:Flathead 2983:Chouteau 2953:Big Horn 2940:Counties 2915:Missoula 2875:Hamilton 2865:Glendive 2840:Billings 2835:Belgrade 2830:Anaconda 2764:Politics 2759:Gun laws 2729:Cannabis 2724:Abortion 2370:Mosby MT 2354:April 3, 2237:April 5, 2109:June 26, 2052:June 25, 2027:June 25, 1962:June 25, 1936:June 25, 1827:April 5, 1783:See also 983:Politics 965:American 701:Billings 688:pheasant 669:, while 663:skeleton 617:ammonite 463:Highways 443:Winnett 431:to 685. 269:Mountain 95:108°16′W 3258:47°07′N 3168:Sanders 3163:Rosebud 3148:Ravalli 3143:Prairie 3128:Pondera 3098:Mineral 3093:Meagher 3083:Madison 3078:Lincoln 3073:Liberty 3043:Granite 3033:Glacier 2993:Daniels 2978:Cascade 2845:Bozeman 2779:Regions 2749:Economy 2739:Culture 2717:Society 2664:History 2606:Montana 2496:Winnett 2478:Winnett 1871:June 7, 1849:July 7, 1741:Winnett 1722:38.63% 1685:37.99% 1656:32.01% 1627:49.60% 1606:46.78% 1569:46.42% 1548:32.70% 1519:44.28% 1490:46.43% 1453:47.38% 1432:29.25% 1403:26.77% 1374:33.23% 1345:26.39% 1316:24.78% 1287:30.13% 1264:33.78% 1258:20.61% 1235:14.48% 1229:21.38% 1200:11.76% 1171:18.84% 1142:22.67% 1113:16.44% 1055:11.21% 957:English 713:Alfalfa 694:Economy 604:Geology 567:Climate 555:– south 537:– north 425:Winnett 370:History 360:Winnett 344:Montana 338:in the 307:Website 191:Winnett 182:Winnett 156:Founded 150:Montana 120:Country 92:47°07′N 63:Montana 3218:Wibaux 3208:Valley 3138:Powell 3088:McCone 3013:Fergus 3008:Fallon 2998:Dawson 2988:Custer 2973:Carter 2968:Carbon 2958:Blaine 2925:Sidney 2920:Polson 2895:Laurel 2885:Helena 2860:Dillon 2686:Sports 2676:People 2626:Topics 2616:Helena 2538:Teigen 2152:  1901:  1777:Teigen 1728:0.52% 1715:60.85% 1699:3.14% 1692:58.87% 1670:3.10% 1663:64.89% 1641:0.32% 1634:50.08% 1612:0.62% 1599:52.60% 1583:2.60% 1576:50.98% 1554:0.00% 1541:67.30% 1525:0.00% 1512:55.72% 1496:0.00% 1483:53.57% 1467:0.25% 1460:52.37% 1438:7.76% 1425:62.99% 1409:1.85% 1396:71.38% 1380:3.02% 1367:63.75% 1351:7.62% 1338:65.98% 1322:0.86% 1309:74.35% 1293:2.32% 1280:67.55% 1251:45.61% 1222:64.14% 1206:5.23% 1193:83.01% 1177:3.08% 1164:78.08% 1148:1.67% 1135:75.67% 1119:3.02% 1106:80.54% 1090:4.35% 1084:9.32% 1077:86.34% 1061:3.16% 1048:85.63% 949:German 853:−20.8% 823:−24.5% 808:−12.9% 778:−47.0% 733:Census 709:barley 660:fossil 650:shales 614:fossil 561:– west 543:– east 483:Rivers 390:, and 354:. Its 336:county 147:  130:  36:County 3198:Toole 3193:Teton 2880:Havre 2850:Butte 2734:Crime 2634:Index 2602:State 2322:(PDF) 997:Year 961:Irish 868:−5.0% 838:−3.0% 793:−5.3% 788:1,026 773:1,083 758:2,045 500:Lakes 392:Sioux 334:is a 286:UTC−6 265:UTC−7 138:State 3113:Park 3063:Lake 3048:Hill 2488:Town 2356:2018 2330:2014 2305:2014 2283:2014 2261:2014 2239:2023 2217:help 2150:ISBN 2111:2013 2080:2014 2054:2013 2029:2013 1964:2013 1938:2013 1899:ISBN 1873:2011 1851:2013 1829:2023 1735:Town 1719:372 1711:586 1706:1928 1688:544 1682:351 1677:1932 1659:523 1653:258 1648:1936 1630:316 1624:313 1619:1940 1603:225 1595:253 1590:1944 1572:235 1566:214 1561:1948 1545:155 1537:319 1532:1952 1516:205 1508:258 1503:1956 1487:221 1479:255 1474:1960 1456:210 1450:190 1445:1964 1421:211 1416:1968 1392:232 1387:1972 1371:110 1363:211 1358:1976 1334:225 1329:1980 1305:258 1300:1984 1276:204 1271:1988 1261:100 1247:135 1242:1992 1218:186 1213:1996 1189:254 1184:2000 1160:228 1155:2004 1131:227 1126:2008 1102:240 1097:2012 1073:278 1068:2016 1044:298 1039:2020 911:5.6% 898:0.4% 889:2020 883:0.2% 874:2010 859:2000 844:1990 829:1980 814:1970 799:1960 784:1950 769:1940 754:1930 742:Note 737:Pop. 715:and 638:dips 445:Rims 380:Crow 314:.org 241:524 196:Area 177:Seat 78:U.S. 2604:of 1696:29 1667:25 1580:12 1435:26 1429:98 1400:87 1377:10 1348:26 1342:90 1313:86 1284:91 1255:61 1232:42 1226:62 1203:16 1197:36 1168:55 1139:68 1110:49 1087:14 1081:30 1058:11 1052:39 906:524 893:496 878:494 863:493 848:519 833:655 818:675 803:894 358:is 342:of 301:2nd 290:MDT 279:DST 233:496 3290:: 2474:: 2459:, 2347:. 2088:^ 1986:^ 1881:^ 1812:^ 1725:5 1638:2 1609:3 1551:0 1522:0 1493:0 1464:1 1406:6 1319:3 1290:7 1174:9 1145:5 1116:9 1032:% 967:. 747:%± 711:. 677:. 655:A 632:A 386:, 382:, 2594:e 2587:t 2580:v 2446:e 2439:t 2432:v 2358:. 2332:. 2307:. 2285:. 2263:. 2241:. 2219:) 2158:. 2113:. 2082:. 2056:. 2031:. 1966:. 1940:. 1907:. 1875:. 1853:. 1831:. 1026:% 1020:% 763:— 292:) 288:( 281:) 271:) 267:(

Index

County
Petroleum County Courthouse in Winnett
Map of Montana highlighting Petroleum County
Montana
Map of the United States highlighting Montana
U.S.
47°07′N 108°16′W / 47.11°N 108.26°W / 47.11; -108.26
Montana
Named for
Petroleum fields
Seat
Winnett
Time zone
UTC−7
Mountain
DST
UTC−6
MDT
2nd
petroleumcountymt.org
county
U.S. state
Montana
2020 census
eighth-least populous in the United States
county seat
Winnett
Fergus County
Native American
Crow

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