Mechanization, employment, and output per man in bituminous-coal mining / / by Willard E. Hotchkiss [and seven others]

• Autore: Hotchkiss Willard E (Willard Eugene), <1874-1956, >
• Pubblicazione: Philadelphia, Pennsylvania : , : Work Projects Administration, National Research Project : , : Department of the Interior, Bureau of Mines, , 1940
• Descrizione fisica: 1 online resource (2 volumes (xxx, 436 pages)) : illustrations
• Soggetto topico: 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
• Soggetto geografico: United States
• Soggetto genere / forma: Statistics.
• Note generali: "Work Projects Administration, National Research Project, in cooperation with Department of the Interior, Bureau of Mines."; "August 1939."; No FDLP item number available.
• Nota di bibliografia: Includes bibliographical references.
• Titolo autorizzato: Mechanization, employment, and output per man in bituminous-coal mining
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Lingua di pubblicazione: Inglese
• Record Nr.: 9910711561203321
• Lo trovi qui: Univ. Federico II