Scientific inventory of onshore Federal lands' oil and gas resources and the extent and nature of restrictions or impediments to their development : phase II cumulative inventory : northern Alaska, Montana Thrust Belt, Powder River Basin, Wyoming Thrust Belt, greater Green River Basin, Denver Basin, Uinta-Piceance Basin, Paradox/San Juan Basins, Appalachian Basin, Black Warrior Basin, Florida Peninsula / (U.S. Dept. of the Interior, Bureau of Land Management,], 2006)