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200 10$aTraining geologists $ea United States Geological Survey viewpoint /$fby Harold M. Bannerman and William T. Pecora
210  1$a[Washington, D.C.] :$cUnited States Department of the Interior, Geological Survey,$d1950.
215   $a1 online resource (6 pages)
225 1 $aGeological Survey circular ;$v73
300   $a"March 1950."
517   $aTraining geologists 
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606   $aGeology$xStudy and teaching$2fast
615  0$aGeology$xStudy and teaching
615  7$aGeology$xStudy and teaching.
700   $aBannerman$b Harold M.$01401055
702   $aPecora$b W. T$g(William Thomas),$f1913-1972,
712 02$aGeological Survey (U.S.),
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996   $aTraining geologists$93469150
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