Technology, employment, and output per man in copper mining / / by Y. S. Leong [and five others]

• Autore: Leong Yau Sing <1899->
• Pubblicazione: Philadelphia, Pennsylvania : , : Work Projects Administration, National Research Project : , : Department of the Interior, Bureau of Mines, , 1940
• Descrizione fisica: 1 online resource (xvi, 260 pages) : illustrations
• Soggetto topico: Copper mines and mining - United States; Miners - United States; Mining machinery; Copper mines and mining; Miners
• Soggetto geografico: United States
• Note generali: "Work Projects Administration, National Research Project, in cooperation with Department of the Interior, Bureau of Mines."; "February 1940."; No FDLP item number available.
• Nota di bibliografia: Includes bibliographical references.
• Titolo autorizzato: Technology, employment, and output per man in copper mining
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Lingua di pubblicazione: Inglese
• Record Nr.: 9910706901203321
• Lo trovi qui: Univ. Federico II