01290cam a22002891  4500001001300000003000400013005001700017008004100034010001700075035002000092040003900112042001200151050002500163110004800188245011100236260004300347300003300390490010400423500014000527500006300667500005700730650002000787650002600807650003200833650004200865810009300907l  21000076 DLC20260227111527.0910809s1921    dcua          000 0 eng c  al  21000076   a(OCoLC)24206707  aU.S. Dept. of LaborcCLUdCLUdDLC  apremarc00aHD8051b.A62 no. 2791 aUnited States.bBureau of Labor Statistics.10aHours and earnings in anthracite and bituminous coal mining.bAnthracite--1919 and 1920, bituminous--1919.  aWashington,bGovt. Print. Off.,c1921.  a114 p. incl. tables.c23 cm.0 aBulletin of the United States Bureau of Labor Statistics,vno. 279aWages and hours of labor series  aAt head of title:  U.S. Department of Labor.  James J. Davis, secretary.  Bureau of Labor Statistics.  Ethelbert Stewart, commissioner.  aIssued also as House doc. 1030, U.S., 66th Cong., 3d sess.  a"Appendix.--Definitions of occupations": p. 111-114. 0aHours of labor. 0aWageszUnited States. 0aCoal minerszUnited States. 0aCoal mines and miningzUnited States.1 aUnited States.bBureau of Labor Statistics.tBulletin.pWages and hours of labor series.