01664oam 2200433 450 991071174270332120190107100329.0(CKB)5470000002486646(OCoLC)953209253(OCoLC)995470000002486646(EXLCZ)99547000000248664620160707d1976 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierLand and natural resource information and some potential environmental effects of surface mining of coal in the Gillette area, Wyoming /by W. R. Keefer and R.F. Hadley[Reston, Virginia] :United States Department of the Interior, Geological Survey,1976.1 online resource (vi, 27 pages) illustrations, mapsGeological Survey circular ;743Includes bibliographical references (page 27).Strip miningEnvironmental aspectsWyomingCampbell CountyStrip miningEnvironmental aspectsfastStrip miningEnvironmental aspectsStrip miningEnvironmental aspects.Keefer William R.1924-1396858Hadley R. F(Richard Frederick),1924-Geological Survey (U.S.),COPCOPOCLCOOCLCAOCLCFGPOBOOK9910711742703321Land and natural resource information and some potential environmental effects of surface mining of coal in the Gillette area, Wyoming3518991UNINA