<Tr> <Th> Pawnee </Th> <Td> </Td> <Td> Colorado 40 ° 47 ′ 38" N 104 ° 05 ′ 01" W ﻿ / ﻿ 40.79389 ° N 104.08361 ° W ﻿ / 40.79389; - 104.08361 ﻿ (Pawnee) </Td> <Td> Arapaho & Roosevelt National Forests </Td> <Td> 7008781286100908544 ♠ 193,060 acres (781.3 km) </Td> <Td> Pawnee has camping at Crow Valley Recreation Area and trails to the Pawnee Buttes . </Td> </Tr> <Tr> <Th> Rita Blanca </Th> <Td> </Td> <Td> Texas, Oklahoma 36 ° 26 ′ 04" N 102 ° 36 ′ 01" W ﻿ / ﻿ 36.43444 ° N 102.60028 ° W ﻿ / 36.43444; - 102.60028 ﻿ (Rita Blanca) </Td> <Td> Cibola National Forest </Td> <Td> 7008376313131862553 ♠ 92,989 acres (376.3 km) </Td> <Td> Rita Blanca includes grasslands, marshes, and woodlands and is located in the Texas Panhandle and western Oklahoma . </Td> </Tr> <Tr> <Th> Sheyenne </Th> <Td> </Td> <Td> North Dakota 46 ° 25 ′ 36" N 97 ° 17 ′ 43" W ﻿ / ﻿ 46.42667 ° N 97.29528 ° W ﻿ / 46.42667; - 97.29528 ﻿ (Sheyenne) </Td> <Td> Dakota Prairie Grasslands </Td> <Td> 7008285084847532390 ♠ 70,446 acres (285.1 km) </Td> <Td> Sheyenne provides habitat for the largest population of greater prairie chickens in North Dakota as well as the Dakota skipper butterfly and western prairie fringed orchid . </Td> </Tr> <Tr> <Th> Thunder Basin </Th> <Td> </Td> <Td> Wyoming 43 ° 41 ′ 09" N 105 ° 00 ′ 56" W ﻿ / ﻿ 43.68583 ° N 105.01556 ° W ﻿ / 43.68583; - 105.01556 ﻿ (Thunder Basin) </Td> <Td> Medicine Bow--Routt National Forest </Td> <Td> 7009221564984440757 ♠ 547,499 acres (2,215.6 km) </Td> <Td> Thunder Basin is located in the Powder River Basin between the Big Horn Mountains and the Black Hills . </Td> </Tr>

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