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Record Nr. |
UNINA9910711561203321 |
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Autore |
Hotchkiss Willard E (Willard Eugene), <1874-1956, > |
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Titolo |
Mechanization, employment, and output per man in bituminous-coal mining / / by Willard E. Hotchkiss [and seven others] |
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Pubbl/distr/stampa |
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Philadelphia, Pennsylvania : , : Work Projects Administration, National Research Project : , : Department of the Interior, Bureau of Mines, , 1940 |
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Descrizione fisica |
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1 online resource (2 volumes (xxx, 436 pages)) : illustrations |
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Collana |
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Mineral technology and output per man studies ; ; report no. E-9 |
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Soggetti |
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Bituminous coal industry - United States |
Bituminous coal mines and mining - Labor productivity - United States |
Coal miners - Effect of technological innovations on - United States |
Coal-mining machinery - United States |
Coal miners |
Coal-mining machinery |
Statistics. |
United States |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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"Work Projects Administration, National Research Project, in cooperation with Department of the Interior, Bureau of Mines." |
"August 1939." |
No FDLP item number available. |
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Nota di bibliografia |
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Includes bibliographical references. |
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