(1985). Ground-water resources and potential hydrologic effects of surface coal mining in the northern Powder River Basin, southeastern Montana / by Steven E. Slagle, Barney D. Lewis, and Roger W. Lee ; prepared in cooperation with the Montana Bureau of Mines and Geology and the U.S. Bureau of Land Management.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Ground-water Resources and Potential Hydrologic Effects of Surface Coal Mining in the Northern Powder River Basin, Southeastern Montana / by Steven E. Slagle, Barney D. Lewis, and Roger W. Lee ; Prepared in Cooperation with the Montana Bureau of Mines and Geology and the U.S. Bureau of Land Management. 1985.
MLA -ийн эшлэл (9 дэх хэвлэлт)Ground-water Resources and Potential Hydrologic Effects of Surface Coal Mining in the Northern Powder River Basin, Southeastern Montana / by Steven E. Slagle, Barney D. Lewis, and Roger W. Lee ; Prepared in Cooperation with the Montana Bureau of Mines and Geology and the U.S. Bureau of Land Management. 1985.