National Research Project on Reemployment Opportunities and Recent Changes in Industrial Techniques (U.S.), United States. Bureau of Mines

Mineral technology and output per man studies

[Report no. E-1-E-14

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Author

Publication

1937 - , Philadelphia, Pennsylvania

Language

English

Word Count

0 words, Guess

Page Count

0 pages

Identifiers

Open LibraryOL60080970M
OCLC Control Number1244887017
Library of Congress Control Number37026629

Classifications

DDC622.0973
LCCTN23 .N35

Subjects

Topics

Mineral industries Mines and mineral resources

Places

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