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Employment and income from gold placering by hand methods, 1935-37 / / by Robinson Newcomb, Charles White Merrill, and R. L. Kiessling
| Employment and income from gold placering by hand methods, 1935-37 / / by Robinson Newcomb, Charles White Merrill, and R. L. Kiessling |
| Autore | Newcomb Robinson <1901-> |
| Pubbl/distr/stampa | Philadelphia, Pennsylvania : , : Work Projects Administration, National Research Project : , : Department of the Interior, Bureau of Mines, , 1940 |
| Descrizione fisica | 1 online resource (xiv, 142 pages) : illustrations, maps |
| Collana | Mineral technology and output per man studies |
| Soggetto topico |
Gold mines and mining - United States
Placer mining - United States Miners - United States Gold miners - United States Employment re-entry Gold miners Gold mines and mining Miners Placer mining |
| Formato | Materiale a stampa  |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910706702403321 |
Newcomb Robinson <1901->
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| Philadelphia, Pennsylvania : , : Work Projects Administration, National Research Project : , : Department of the Interior, Bureau of Mines, , 1940 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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Prototype borehole miner selectively extracts gold from permafrost [[electronic resource]]
| Prototype borehole miner selectively extracts gold from permafrost [[electronic resource]] |
| Pubbl/distr/stampa | [Washington, DC] : , : U.S. Dept. of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, , [1997] |
| Descrizione fisica | 2 unnumbered pages : digital, PDF file |
| Collana | Technology news |
| Soggetto topico | Placer mining - United States |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910696453403321 |
| [Washington, DC] : , : U.S. Dept. of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, , [1997] | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
