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Record Nr. |
UNINA9910707097003321 |
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Autore |
Brown Brinton C. |
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Titolo |
Some innovations in equipment for scaling high roofs and mine walls / / Brinton C. Brown, Fred D. Wright, and Homer J. Ballinger |
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Pubbl/distr/stampa |
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[Washington, D.C.] : , : United States Department of the Interior, Bureau of Mines, , 1950 |
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Descrizione fisica |
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1 online resource (11 pages) : illustrations |
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Collana |
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Report of investigations / United States Department of the Interior, Bureau of Mines ; ; 4739 |
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Soggetti |
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Coal mines and mining - Equipment and supplies |
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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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Nota di bibliografia |
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Includes bibliographical references (pages 9-11). |
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