01885oam 2200505 450 991070403300332120151030150628.0(CKB)5470000002437326(OCoLC)883253230(EXLCZ)99547000000243732620140709d1933 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierInvestigations in Alaska railroad belt, 1931Progress of surveys in the Anthracite Ridge district, Alaska /by Ralph W. Richards and Gerald A. Waring[Washington, D.C.] :United States Department of the Interior, Geological Survey,1933.Washington :United States Government Printing Office.1 online resource (ii, 27 pages, 1-2 pages of plates) illustrations, mapsBulletin / United States Department of the Interior, Geological Survey ;849-ATitle from title screen (viewed July 8, 2014).Includes bibliographical references.Progress of surveys in the Anthracite Ridge district, AlaskaMines and mineral resourcesAlaskaOre depositsAlaskaMines and mineral resourcesfastOre depositsfastAlaskafastMines and mineral resourcesOre depositsMines and mineral resources.Ore deposits.Richards R. W(Ralph Webster),1879-1398147Waring Gerald A(Gerald Ashley),1883-Geological Survey (U.S.),COPCOPOCLCOOCLCFGPOBOOK9910704033003321Investigations in Alaska railroad belt, 19313460900UNINA