01927oam 2200565 450 991070406330332120160315093800.0(CKB)5470000002437020(OCoLC)698051956(OCoLC)654236664(OCoLC)883253191(EXLCZ)99547000000243702020110123d1933 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierMetalliferous deposits of the greater Helena mining region, Montana /by J.T. Pardee and F.C. Schrader[Washington, D.C.] :United States Department of the Interior, Geological Survey,1933.Washington :United States Government Printing Office.1 online resource (xi, 318 pages, 47 pages of plates) illustrations, maps (some color)Bulletin / United States Department of the Interior, Geological Survey ;842Title from title screen (viewed Oct. 16, 2015).Includes bibliographical references and index.Ore depositsMontanaHelenaGeologyMontanaHelenaGeologyfastOre depositsfastMontanaHelenafastOre depositsGeologyGeology.Ore deposits.Pardee J. T(Joseph Thomas),1871-1960,1387070Schrader Frank C(Frank Charles),1860-1944,Geological Survey (U.S.),OCLCEOCLCEOCLCQOCLCAOCLCFOCLCQOCLCOCOPGPOOCLGPOBOOK9910704063303321Metalliferous deposits of the greater Helena mining region, Montana3436543UNINA