01542oam 2200517I 450 991071400860332120180716165606.0(CKB)3780000000321985(OCoLC)600755839(OCoLC)300873134(EXLCZ)99378000000032198520100404d1972 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierRailroad technology and manpower in the 1970's[Washington, D.C.] :U.S. Department of Labor, Bureau of Labor Statistics,1972.1 online resource (viii, 90 pages) illustrationsBulletin ;1717Includes bibliographical references (pages 87-90).RailroadsUnited StatesRailroadsUnited StatesEmployeesRailroadsfastRailroadsEmployeesfastUnited StatesfastRailroadsRailroadsEmployees.Railroads.RailroadsEmployees.385/.1/0973Johnson Richard371478United States.Bureau of Labor Statistics,OCLCEOCLCEOCLCQOCLCOOCLCQOCLCFOCLCQOWSGPOBOOK9910714008603321Railroad technology and manpower in the 1970's3467428UNINA