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01520cam a2200373 i 4500 001 6AEFBF866BFF11DEA13FF332A8D7520A 003 SILO 005 20090730152241 008 801203s1981 dcua bs f000 0 eng 010 $a 80607858 040 $a DLC $c DLC $d SILO $d BTCTA $d NIU $d SILO 043 $a n-us--- 050 00 $a HD9545 $b .U54 1981 082 00 $a 331.7/622334/0973 $2 19 086 0 $a L 2.3:2072 110 1 $a United States. $b Bureau of Labor Statistics. 245 1 $a Technology, productivity, and labor in the bituminous coal industry, 1950-79. 260 $a Washington : $b For sale by the Supt. of Docs, U.S. Govt. Print. Off., $c 1981. 300 $a vi, 69 p. : $b ill. ; $c 22 x 28 cm. 490 1 $a Bulletin - Bureau of Labor Statistics ; 2072 500 $a Prepared by R.N. Zeisel with the assistance of M. Dymmel and G.E. Falwell. 500 $a Updates the Bureau's Technological change and productivity in the bituminous coal industry, 1920-60. 504 $a Includes bibliographical references (p. 69). 650 0 $a Coal mines and mining $z United States $x History. 650 0 $a Coal miners $z United States $x History. 700 1 $a Zeisel, Rose N. 700 1 $a Dymmel, Michael. 700 1 $a Falwell, Gary E. 830 0 $a Bulletin of the United States Bureau of Labor Statistics ; $v 2072. 941 $a 2 952 $l OVUX522 $d 20171230024339.0 952 $l UNUX074 $d 20090708133753.0 956 $a http://locator.silo.lib.ia.us/search.cgi?index_0=id&term_0=6AEFBF866BFF11DEA13FF332A8D7520A 994 $a 02 $b NIUInitiate Another SILO Locator Search