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035   $a(CKB)3780000000322361
035   $a(OCoLC)908313394
035   $a(EXLCZ)993780000000322361
100   $a20150503d1961      ua             0
101 0 $aeng
135   $aurun||||a|a||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aTechnological change and productivity in the bituminous coal industry, 1920-60
210  1$a[Washington, D.C.] :$cUnited States Department of Labor, Bureau of Labor Statistics,$d1961.
215   $a1 online resource (ii, 137 pages) $cillustrations, maps
225 1 $aBulletin ;$vno. 1305
300   $a"November 1961."
300   $a"This bulletin was prepared ... by Edgar Weinberg, ... Robert E. Malakoff and Robert T. Adams"--Page 1.
320   $aIncludes bibliographical references (pages 132-136).
606   $aBituminous coal
606   $aCoal mines and mining$xAutomation
606   $aCoal mines and mining$xLabor productivity
606   $aLabor productivity
606   $aCoal miners$zUnited States
606   $aBituminous coal$2fast
606   $aCoal miners$2fast
606   $aCoal mines and mining$xAutomation$2fast
606   $aCoal mines and mining$xLabor productivity$2fast
606   $aLabor productivity$2fast
607   $aUnited States$2fast
615  0$aBituminous coal.
615  0$aCoal mines and mining$xAutomation.
615  0$aCoal mines and mining$xLabor productivity.
615  0$aLabor productivity.
615  0$aCoal miners
615  7$aBituminous coal.
615  7$aCoal miners.
615  7$aCoal mines and mining$xAutomation.
615  7$aCoal mines and mining$xLabor productivity.
615  7$aLabor productivity.
700   $aWeinberg$b Edgar$01394299
702   $aMalakoff$b Robert E.
702   $aAdams$b Robert T.
712 02$aUnited States.$bBureau of Labor Statistics,
801  0$bOCLCE
801  1$bOCLCE
801  2$bOCLCQ
801  2$bZ5A
801  2$bGPO
801  2$bMERUC
801  2$bGPO
906   $aBOOK
912   $a9910714194003321
996   $aTechnological change and productivity in the bituminous coal industry, 1920-60$93451466
997   $aUNINA