xt7vmc8rdx0t https://exploreuk.uky.edu/dips/xt7vmc8rdx0t/data/mets.xml  Yaworski, Nicholas 1940 Other contributors: National Research Project on Reemployment Opportunities and Recent Changes in Industrial Techniques (U.S.); United States. Bureau of Mines. xxiii, 264 p. : ill., maps ; 26 cm. Mineral technology and output per man studies ; report no. E-13. UK holds archival copy for ASERL Collaborative Federal Depository Program libraries. Call number FW 4.7:E-13. books  English Philadelphia, Pa. : Work Projects Administration, National Research Project in cooperation with Dept. of the Interior, Bureau of Mines This digital resource may be freely searched and displayed in accordance with U. S. copyright laws. Maryland Works Progress Administration Publications Technology, Employment, and Output Per Man in Iron Mining by N. Yaworski [et al.] text Technology, Employment, and Output Per Man in Iron Mining by N. Yaworski [et al.] 1940 1940 2015 true xt7vmc8rdx0t section xt7vmc8rdx0t     !"J'Y'l?U%*l’K'[@Z@Q’!        
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