00956cam a22002531  4500001001300000003000400013005001700017008004100034010001700075035001900092040003200111050002400143082001200167086001500179110004700194245009600241260004800337300009800385500007500483504003000558650005200588650003200640650003000672med47000993 DLC20260227111601.0750415s1947    dcuabcf  b   f000 0 eng    amed47000993   a(OCoLC)1277935  aDLCcTxShAdOCoLCdISSdDLC00aHD7269.M63bU6 1947  a331.8220 aI 1.2:B 541 aUnited States.bCoal Mines Administration.12aA medical survey of the bituminous-coal industry.bReport of the Coal mines administration.  aWashingtonb[U.S. Govt. Print. Off.]c1947.  axxiv, 244 p., 1 l., 67 p. incl. illus. (incl. group port., maps) tables, diagrs.bpl.c29 cm.  a"The coal miner and his family. Supplement to the report": 1 l., 67 p.  aBibliography: p. 229-231. 0aCoal minersxhealth and hygienezUnited States. 0aCoal minerszUnited States. 0aHospitalszUnited States.