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1
2000 resource assessment of selected coal beds and zones in the Northern and Central Appalachian Basin coal regions
[Reston, VA] : U.S. Geological Survey, 2001
Version 1.0.Format: Government Document Electronic eBook -
2
Geologic assessment of coal in the Colorado Plateau : Arizona, Colorado, New Mexico, and Utah
[Denver, Colo.?] :; [Denver, Colo.?] : U.S. Dept. of the Interior, U.S. Geological Survey, 2000“…National Coal Resource Assessment (U.S.)…”
Version 1.0.
Format: Government Document eBook -
3
2000 resource assessment of selected coal beds and zones in the Northern and Central Appalachian Basin coal regions
[Reston, Va.] :; [Reston, VA] : U.S. Geological Survey, 2001
Version 1.0.Format: Government Document eBook -
4
Geologic assessment of coal in the Colorado Plateau Arizona, Colorado, New Mexico, and Utah / edited by M.A. Kirschbaum, L.N.R. Roberts, and L.R.H. Biewick.
[Denver, Colo.?] : U.S. Dept. of the Interior, U.S. Geological Survey, 2000“…National Coal Resource Assessment (U.S.)…”
Version 1.0.
Format: Government Document Electronic eBook -
5
Resource assessment of the Springfield, Herrin, Danville, and Baker Coals in the Illinois Basin
Denver, Colo. :; Denver, Colo. : U.S. Dept. of the Interior, U.S. Geological Survey : For sale by U.S. Geological Survey, Information Services, 2002
Version 1.0.Format: Government Document eBook -
6
Resource assessment of the Springfield, Herrin, Danville, and Baker Coals in the Illinois Basin
Denver, Colo. : U.S. Dept. of the Interior, U.S. Geological Survey : For sale by U.S. Geological Survey, Information Services, 2002
Version 1.0.Format: Government Document Electronic eBook