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100   $a20030327d2003      ua             0
101 0 $aeng
135   $aurcn||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aDesign 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$b[electronic resource] /$fby Stephen L. Snyder and Joseph S. Duval
210  1$a[Reston, Va.] :$cU.S. Dept. of the Interior, U.S. Geological Survey,$d2003.
225 1 $aU.S. Geological Survey open-file report ;$v03-029
300   $aTitle from title screen (viewed on Jan. 7, 2004).
300   $a"Online only."
320   $aIncludes bibliographical references.
606   $aRocks$xAnalysis
606   $aRadioactive substances$xAnalysis
606   $aGamma ray spectrometry
615  0$aRocks$xAnalysis.
615  0$aRadioactive substances$xAnalysis.
615  0$aGamma ray spectrometry.
700   $aSnyder$b Stephen L$01383733
701   $aDuval$b Joseph S$01382663
712 02$aGeological Survey (U.S.)
801  0$bGIS
801  1$bGIS
801  2$bGPO
906   $aBOOK
912   $a9910691993503321
996   $aDesign 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$93430228
997   $aUNINA