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Technology, employment, and output per man in iron mining /

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Bibliographic Details
Main Author: Yaworski, Nicholas (Author)
Format: Government Document eBook
Language:English
Published: Philadelphia, Pennsylvania : Work Projects Administration, National Research Project : Department of the Interior, Bureau of Mines, 1940.
Series:Mineral technology and output per man studies ; rept. no. E-13.
Subjects:
Iron mines and mining > United States.
Miners > United States.
Mining machinery.
Iron mines and mining.
Miners.
United States.
Online Access:https://purl.fdlp.gov/GPO/gpo88829
Description
Item Description:"Work Projects Administration, National Research Project, in cooperation with Department of the Interior, Bureau of Mines."
"June 1940."
No FDLP item number available.
Physical Description:1 online resource (xxiii, 264 pages) : illustrations, maps.
Bibliography:Includes bibliographical references.