01738oam 2200469 450 991071158480332120181026095438.0(CKB)5470000002484200(OCoLC)953211593(OCoLC)995470000002484200(EXLCZ)99547000000248420020160707d1984 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierPhosphate-rock resources of the United States /by James B. Cathcart, Richard P. Sheldon, and Robert A. Gulbrandsen[Reston, Va.?]. :United States Department of the Interior, Geological Survey,1984.1 online resource (iv, 48 pages) illustrations, mapsGeological Survey circular ;888"An analysis of phosphate-rock resources, based on past estimates and all available recent information, indicates that sufficient phosphate exists in the United States to meet domestic demands for the foreseeable future."Includes bibliographical references (pages 46-48).Phosphate rockUnited StatesPhosphate rockfastUnited StatesfastPhosphate rockPhosphate rock.Cathcart James Bachelder1917-1386984Gulbrandsen Robert A.Sheldon Richard Porter1923-Geological Survey (U.S.),COPCOPOCLCOOCLCFOCLCAGPOBOOK9910711584803321Phosphate-rock resources of the United States3491772UNINA