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Technology, employment, and output per man in iron mining / by N. Yaworski [and four others].

Record details

  • Physical Description: 1 online resource (xxiii, 264 pages) : illustrations, maps.
  • Publisher: Philadelphia, Pennsylvania : Work Projects Administration, National Research Project : 1940.

Content descriptions

General Note:
"Work Projects Administration, National Research Project, in cooperation with Department of the Interior, Bureau of Mines."
"June 1940."
No FDLP item number available.
Bibliography, etc. Note:
Includes bibliographical references.
Source of Description Note:
Description based on online resource; title from PDF title page (UKY, viewed Feb. 5, 2018).
Subject: Iron mines and mining > United States.
Miners > United States.
Mining machinery.

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