02588oam 2200625I 450 991070426940332120160311074534.0(CKB)5470000002438979(OCoLC)885006233(EXLCZ)99547000000243897920140731d1948 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierTin-bearing placers near Guadalcazar, State of San Luis Potosi, Mexico /by Carl Fries, Jr. and Eduardo Schmitter ; prepared in cooperation with the Universidad Nacional Autónoma de México, Instituto de Geología under the auspices of the Interdepartmental Committee on Scientific and Cultural Cooperation, Department of State[Washington, D.C.] :United States Department of the Interior, Geological Survey,1948.Washington :United States Government Printing Office.1 online resource (iv, 109-149 pages, 28-33 pages of plates) illustrations, mapsBulletin / United States Department of the Interior, Geological Survey ;960-DTitle from title screen (viewed July 16, 2014).Includes bibliographical references and index.Geologic investigations in the American Republics, 1947, tin-bearing placers near Guadalcazar, MexicoTin oresMexicoSan Luis PotosíPlacer depositsMexicoSan Luis PotosíMines and mineral resourcesMexicoSan Luis PotosíMines and mineral resourcesfastPlacer depositsfastTin oresfastMexicoSan Luis PotosífastTin oresPlacer depositsMines and mineral resourcesMines and mineral resources.Placer deposits.Tin ores.Fries Carl1910-1965,1393936Schmitter EduardoGeological Survey (U.S.),Universidad Nacional Autónoma de México.Instituto de Geología,United States.Interdepartmental Committee on Scientific and Cultural Cooperation,COPCOPOCLCOOCLCAGPOOCLCFOCLCQOCLCOGPOBOOK9910704269403321Tin-bearing placers near Guadalcazar, State of San Luis Potosi, Mexico3459314UNINA