Employment and related statistics of mines and quarries, 1935
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Author
Publication
1937 - Works Progress Administration, National Research Project and Dept. of the Interior, Bureau of Mines, Philadelphia, Pa, Pennsylvania
Language
English
Word Count
33,250 words, Guess
Page Count
133 pages
Identifiers
- Open LibraryOL60175237M
- OCLC Control Number5364906
Classifications
- LCCTN23 .N35 no. E-4
Alternate Titles
- Coal
- Employment and related statistics of mines and quarries 1935 :
Subjects
Series Statement
- Mineral technology and output per man studies -- report no. E-4
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