01514nam 2200397I 450 991070710130332120180504095603.0(CKB)5470000002460470(OCoLC)1034009481(EXLCZ)99547000000246047020180504d1957 ua 0engur|||||||||||txtrdacontentcrdamediacrrdacarrierGeologic factors related to block caving at San Manuel copper mine, Pinal County, Ariz. progress report, April 1954-March 1956 /by E.D. Wilson[Washington, D.C.] :United States Department of the Interior, Bureau of Mines,1957.1 online resource (iii, 78 pages) illustrations, mapsReport of investigations ;5336"Work on manuscript completed March 1956.""May 1957."Includes bibliographical references.Geologic factors related to block caving at San Manuel copper mine, Pinal County, Ariz Copper mines and miningArizonaPinal CountyGeologyArizonaPinal CountyCopper mines and miningGeologyWilson E. D.1393609United States.Bureau of Mines,GPOGPOBOOK9910707101303321Geologic factors related to block caving at San Manuel copper mine, Pinal County, Ariz3449880UNINA