02474oam 2200553I 450 991070728800332120160527112410.0(CKB)5470000002462624(OCoLC)891382396(EXLCZ)99547000000246262420140926d1968 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierReconnaissance geology, geophysics, and geochemistry of the southeastern part of the Lewis and Clark Range, Montana a study identifying a weak lead-zinc mineralized belt, 30 miles long, that is stratigraphically and structurally controlled /by Melville R. Mudge, Ralph L. Erickson, and Dean Kleinkopf ; with spectrographic data by G.C. Curtin and A.P. Marranzino ; and a section on Isotopic composition of lead by R.E. Zartman[Washington, D.C.] :United States Department of the Interior, Geological Survey,1968.Washington :United States Government Printing Office.1 online resource (iii, 35 pages, 4 pages of plates) illustrations, maps (some color)Geological Survey bulletin ;1252-EContributions to economic geologyTitle from title screen (viewed September 15, 2014).Includes bibliographical references (pages 33-35).Reconnaissance geology, geophysics, and geochemistry of the southeastern part of the Lewis and Clark Range, Montana GeologyMontanaLewis and Clark CountyGeochemistryMontanaLewis and Clark CountyGeophysicsMontanaLewis and Clark CountyLeadMontanaLewis and Clark CountyGeologyGeochemistryGeophysicsLeadMudge Melville R.1921-2009,1396262Zartman Robert E1419011Erickson Ralph Leroy1923-Kleinkopf M. Dean(Merlin Dean),1926-2015,Curtin Gary C.1935-Marranzino A. P.Geological Survey (U.S.),COPCOPOCLCOOCLCAGPOBOOK9910707288003321Reconnaissance geology, geophysics, and geochemistry of the southeastern part of the Lewis and Clark Range, Montana3532061UNINA