01718oam 2200445 450 991070403910332120151028170028.0(CKB)5470000002437265(OCoLC)885281701(EXLCZ)99547000000243726520140805d1986 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierMineral resource potential and geology of the Black Hills National Forest, South Dakota and Wyoming /by Ed DeWitt [and three others] ; with a section on Salable commodities by John S. Dersch[Reston, Va.] :Department of the Interior, U.S. Geological Survey,1986.Washington :United States Government Printing Office.1 online resource (vii, 135 pages) illustrations, mapsU.S. Geological Survey bulletin ;1580Title from title screen (viewed Aug. 1, 2014).Includes bibliographical references.Mines and mineral resourcesBlack Hills National Forest (S.D. and Wyo.)Mines and mineral resourcesfastUnited StatesBlack Hills National ForestfastMines and mineral resourcesMines and mineral resources.DeWitt Ed1390884Dersch John S.Geological Survey (U.S.),COPCOPOCLCOOCLCFGPOBOOK9910704039103321Mineral resource potential and geology of the Black Hills National Forest, South Dakota and Wyoming3444040UNINA