01744oam 2200445 a 450 991069199350332120040107092025.0(CKB)5470000002349475(OCoLC)51932666ocm51932666(OCoLC)995470000002349475(EXLCZ)99547000000234947520030327d2003 ua 0engurcn||||||txtrdacontentcrdamediacrrdacarrierDesign and construction of a gamma-ray spectrometer system for determining natural radioelement concentrations in geological samples at the U.S. Geological Survey in Reston, Virginia[electronic resource] /by Stephen L. Snyder and Joseph S. Duval[Reston, Va.] :U.S. Dept. of the Interior, U.S. Geological Survey,2003.U.S. Geological Survey open-file report ;03-029Title from title screen (viewed on Jan. 7, 2004)."Online only."Includes bibliographical references.RocksAnalysisRadioactive substancesAnalysisGamma ray spectrometryRocksAnalysis.Radioactive substancesAnalysis.Gamma ray spectrometry.Snyder Stephen L1383733Duval Joseph S1382663Geological Survey (U.S.)GISGISGPOBOOK9910691993503321Design and construction of a gamma-ray spectrometer system for determining natural radioelement concentrations in geological samples at the U.S. Geological Survey in Reston, Virginia3430228UNINA