02052oam 2200517I 450 991070724210332120160620160948.0(CKB)5470000002463088(OCoLC)891382666(EXLCZ)99547000000246308820140926d1969 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierPhosphate rock in Colombia a preliminary report /by James B. Cathcart and Francisco Zambrano O ; with a section on The phosphate occurrence at Turmequé by Pedro E. Mojica G[Washington, D.C.] :United States Department of the Interior, Geological Survey,1969.Washington :United States Government Printing Office.1 online resource (iv, 77 pages, 3 pages of plates) illustrations, mapsGeological Survey bulletin ;1272-AContributions to economic geologyTitle from title screen (viewed September 15, 2014)."Prepared in cooperation with the Servicio Geologico Nacional of Columbia, under the auspices of the Government of Colombia and the Agency for International Development, U.S. Department of State."Includes bibliographical references (pages 71-73) and index.Phosphate rock in Colombia PhosphatesColombiaPhosphatesfastColombiafastPhosphatesPhosphates.Cathcart James Bachelder1917-1386984Mojica G Pedro E.Zambrano O FranciscoGeological Survey (U.S.),United States.Agency for International Development,Instituto Geológico Nacional (Colombia),COPCOPOCLCOOCLCFGPOBOOK9910707242103321Phosphate rock in Colombia3461775UNINA