Economics and the 1995 National Assessment of U.S. Oil and Gas
Resources
Emil D. Attanasi
U. S. Geological Survey Open-File Report 95-75-M
Table B-4. Provinces, play codes and play names for coalbed gas plays assessed in the 1995 USGS National Oil and Gas Assessment
| Province | Play Number | Play Name |
| W. Oregon-Washington | 450 | Bellingham |
| W. Oregon-Washington | 451 | W. Cascade Mountains |
| W. Oregon-Washington | 452 | Southern Puget Lowlands |
| Uinta-Piceance | 2050 | Uinta - Book Cliffs |
| Uinta-Piceance | 2051 | Uinta - Sego |
| Uinta-Piceance | 2052 | Uinta - Emery |
| Uinta-Piceance | 2053 | Piceance - White River Dome |
| Uinta-Piceance | 2054 | Piceance - Western Basin Margin |
| Uinta-Piceance | 2055 | Piceance - Grand Hogback |
| Uinta-Piceance | 2056 | Piceance - Divide Creek Anticline |
| San Juan | 2250 | Overpressured |
| San Juan | 2252 | Underpressured Discharge |
| San Juan | 2253 | Underpressured |
| Powder River | 3350 | Shallow Mining Related |
| Powder River | 3351 | Central Basin |
| Wind River | 3550 | Mesaverde |
| Southwestern Wyoming | 3750 | Rock Springs |
| Southwestern Wyoming | 3751 | Iles |
| Southwestern Wyoming | 3752 | Williams Fork |
| Southwestern Wyoming | 3753 | Almond |
| Southwestern Wyoming | 3754 | Lance |
| Southwestern Wyoming | 3755 | Fort Union |
| Raton | 4150 | Northern Raton |
| Raton | 4151 | Purgtoire River |
| Raton | 4152 | Southern Raton |
| Forest City | 5650 | Central Basin |
| Cherokee Platform | 6050 | Central Basin |
| Arkoma | 6250 | Anticline |
| Arkoma | 6251 | Syncline |
| Illinois | 6450 | Central Basin |
| Black Warrior | 6550 | Recharge |
| Black Warrior | 6551 | Southeastern Basin |
| Black Warrior | 6552 | Coastal Plain |
| Black Warrior | 6553 | Central and Western Basin |
| Appalachian | 6750 | Northern Appalachian Anticline |
| Appalachian | 6751 | Northern Appalachian Syncline |
| Appalachian | 6752 | Central Appalachian |
| Appalachian | 6753 | Canhaba Field |
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