Changes in technology and labor requirements in the crushed-stone industry
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Author
Contributions
- Saeger, Geoffrey A. - Contributor
- National Research Project on Reemployment Opportunities and Recent Changes in Industrial Techniques (U.S.) - Contributor
- United States. Bureau of Mines. - Contributor
Publication
1939 - Works Progress Administration, National Research Project in cooperation with Dept. of the Interior, Bureau of Mines, Philadelphia, Pa, Pennsylvania
Language
English
Subjects
Topics
Places
Series Statement
- Mineral technology and output per man studies ;
- report no. E-8
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