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Mechanization, Employment, and Output Per Man in Bituminous-Coal Mining- Vol. 2 by Willard E. Hotchkiss [et al.]

Date

  • 1939

Creator

Hotchkiss, Willard E..

Language

  • English

Collection

Rights

  • This digital resource may be freely searched and displayed in accordance with U. S. copyright laws.

Publisher

  • Philadelphia, Pa. : Work Projects Administration, National Research Project in cooperation with Dept. of the Interior, Bureau of Mines

Format

books

Permalink

https://exploreuk.uky.edu/catalog/xt7zcr5nc05g_275

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