LEADER 02111oam  2200601I  450 
001 9910714285103321
005 20181105103624.0
010   $a0-259-68724-3
035   $a(CKB)5470000001200906
035   $a(OCoLC)746261998
035   $a(EXLCZ)995470000001200906
100   $a20110810d1940      ua             0
101 0 $aeng
135   $aurgn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aRock drilling /$fby C.E. Nighman and O.E. Kiessling
210  1$aPhiladelphia, Pennsylvania :$cWork Projects Administration, National Research Project :$cDepartment of the Interior, Bureau of Mines,$d1940.
215   $a1 online resource (xiii, 158 pages) $cillustrations
225 1 $aMineral technology and output per man studies ;$vreport no. E-11
300   $a"Work Projects Administration, National Research Project, in cooperation with Department of the Interior, Bureau of Mines."
300   $a"February 1940."
300   $aNo FDLP item number available.
320   $aIncludes bibliographical references.
517   $aRock Drilling
606   $aRock-drills$zUnited States
606   $aMiners$xEffect of technological innovations on$zUnited States
606   $aLabor productivity$zUnited States
606   $aMiners$2fast
606   $aRock-drills$2fast
607   $aUnited States$2fast
615  0$aRock-drills
615  0$aMiners$xEffect of technological innovations on
615  0$aLabor productivity
615  7$aMiners.
615  7$aRock-drills.
700   $aNighman$b C. E.$01406942
702   $aKiessling$b O. E$g(Oscar Edward),$f1901-1993,
712 02$aNational Research Project on Reemployment Opportunities and Recent Changes in Industrial Techniques (U.S.),
712 02$aUnited States.$bBureau of Mines,
801  0$bOCLCE
801  1$bOCLCE
801  2$bOCLCQ
801  2$bOCLCF
801  2$bOCLCQ
801  2$bOCLCO
801  2$bOCLCQ
801  2$bGPO
906   $aBOOK
912   $a9910714285103321
996   $aRock drilling$93487124
997   $aUNINA