Code Name Area km2 Fed Fed Area % Fed Oil % Fed Gas % Pri Pri Area % Pri Oil % Pri Gas % Tri Tri Area % Tri Oil % Tri Gas % Oth Oth Area % Oth Oil % Oth Gas % State 1 S1 Area % S1 Oil % S1 Gas % State 2 S2 Area % S2 Oil % S2 Gas % State 3 S3 Area % S3 Oil % S3 Gas % State 4 S4 Area % S4 Oil % S4 Gas % State 5 S5 Area % S5 Oil % S5 Gas % State 6 S6 Area % S6 Oil % S6 Gas % State 7 S7 Area % S7 Oil % S7 Gas % State 8 S8 Area % S8 Oil % S8 Gas % State 9 S9 Area % S9 Oil % S9 Gas % State 10 S10 Area % S10 Oil % S10 Gas % 50200101 Conventional Ferron Sandstone Gas 6889.747409 Federal Lands 65.04359199 80 Private Lands 24.91358522 15 Tribal Lands Other Lands 0.450015164 0 UT State Lands 9.592807625 5 50200161 "Deep (6,000 feet plus) Coal and Sandstone Gas" 632.4794476 Federal Lands 88.52699839 85 Private Lands 9.331871815 12 Tribal Lands Other Lands UT State Lands 2.141129791 3 50200181 Northern Coal Fairway/Drunkards Wash 50.200181 Federal Lands 35.33844355 10 Private Lands 32.2296967 35 Tribal Lands Other Lands 0.071142246 0 UT State Lands 32.36071751 55 50200182 Central Coal Fairway/Buzzards Bench 1021.200899 Federal Lands 56.66100666 10 Private Lands 22.17352763 10 Tribal Lands Other Lands 0.259116348 0 UT State Lands 20.90634936 80 50200183 Southern Coal Fairway 678.0288061 Federal Lands 84.90880043 90 Private Lands 13.99847702 8 Tribal Lands Other Lands 0.042631381 0 UT State Lands 1.050091175 2 50200184 Joes Valley and Messina Grabens 294.7063247 Federal Lands 80.32207408 Private Lands 16.6443173 Tribal Lands Other Lands 1.406789687 UT State Lands 1.626818933 50200185 Southern Coal Outcrop 144.0034467 Federal Lands 49.99304291 30 Private Lands 41.66777585 65 Tribal Lands Other Lands UT State Lands 8.339181243 5 50200201 Uinta-Piceance Basin Conventional Gas 41139.98297 Federal Lands 61.0626232 50 Private Lands 23.3265735 35 Tribal Lands 8.407479636 8 Other Lands 0.660847025 0 CO State Lands 0.361664639 2 UT State Lands 6.180812 5 50200261 Uinta Basin Continuous Gas 8367.007003 Federal Lands 38.98387808 50 Private Lands 26.87987013 15 Tribal Lands 23.98453833 30 Other Lands 1.025693747 0 UT State Lands 9.126019709 5 50200262 Uinta Basin Transitional Gas 5189.873081 Federal Lands 58.68292106 65 Private Lands 6.197434353 4 Tribal Lands 23.99530178 25 Other Lands 2.418417843 0 UT State Lands 8.705924971 6 50200263 Piceance Basin Continuous Gas 1433.628322 Federal Lands 62.39684348 40 Private Lands 34.74119234 58 Tribal Lands Other Lands CO State Lands 2.861964175 2 50200264 Piceance Basin Transitional Gas 2534.992555 Federal Lands 62.86464465 40 Private Lands 34.98688773 58 Tribal Lands Other Lands CO State Lands 2.148467617 2 50200281 Uinta Basin Blackhawk Coalbed Gas 7073.147552 Federal Lands 63.69815485 50 Private Lands 29.40012076 44 Tribal Lands 0.477801651 0 Other Lands 0.478993073 0 UT State Lands 5.944929666 6 50200282 Mesaverde Group Coalbed Gas 16549.72684 Federal Lands 69.49452399 35 Private Lands 23.66904294 60 Tribal Lands 0.906971515 1 Other Lands 0.078998675 0 CO State Lands 0.641016693 3 UT State Lands 5.20944618 1 50200361 Piceance Basin Continuous Gas 8380.91569 Federal Lands 60.65448345 60 Private Lands 37.67035532 38 Tribal Lands Other Lands CO State Lands 1.675161235 2 50200362 Uinta Basin Continuous Gas 17193.40703 Federal Lands 50.02916247 65 Private Lands 17.87956535 15 Tribal Lands 19.83724154 10 Other Lands 1.319000103 0 CO State Lands 0.007261037 1 UT State Lands 10.9277695 9 50200363 Uinta-Piceance Transitional and Migrated Gas 10340.29865 Federal Lands 76.72361194 79 Private Lands 17.75530084 15 Tribal Lands 0.465484341 1 Other Lands 0.234634 0 CO State Lands 0.01952819 0 UT State Lands 4.801440684 5 50200401 Hanging Wall 12718.68186 Federal Lands 59.12455201 30 30 Private Lands 28.27751462 30 30 Tribal Lands 5.348966894 10 10 Other Lands 2.038796038 0 0 CO State Lands 2.133969673 15 15 UT State Lands 3.076200756 15 15 50200402 Paleozoic/Mesozoic 62855.80638 Federal Lands 62.24671698 66 66 Private Lands 25.0822291 22 22 Tribal Lands 5.50280134 6 6 Other Lands 0.494571471 0 0 CO State Lands 0.45200005 1 1 UT State Lands 6.221681055 5 5 50200501 Uinta Green River Conventional Oil and Gas 22027.61912 Federal Lands 51.42316737 49 Private Lands 18.78373512 20 Tribal Lands 17.93566673 20 Other Lands 1.354451924 0 CO State Lands 0.006224774 1 UT State Lands 10.49675408 10 50200502 Piceance Green River Conventional Oil 4588.087604 Federal Lands 60.53412488 Private Lands 37.23975536 Tribal Lands Other Lands CO State Lands 2.226119757 50200561 Deep Uinta Overpressured Continuous Oil 2909.5999 Federal Lands 10.5000543 4 Private Lands 55.85112398 60 Tribal Lands 28.41161613 35 Other Lands 1.151765978 0 UT State Lands 4.085439618 1