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Stemming in metal mines : progress report 5 Comparison of dust and gases produced from blasting charges of dynamite in drill holes, in bombs, and in mud-cap shots / / by John A. Johnson and Wing G. Agnew
| Stemming in metal mines : progress report 5 Comparison of dust and gases produced from blasting charges of dynamite in drill holes, in bombs, and in mud-cap shots / / by John A. Johnson and Wing G. Agnew |
| Autore | Johnson John A (John Albert), <1896-> |
| Pubbl/distr/stampa | [Washington, D.C.] : , : U.S. Department of the Interior, Bureau of Mines, , 1942 |
| Descrizione fisica | 10 pages (some folded) ; ; 27 cm |
| Collana | R. I. |
| Soggetto topico |
Blasting
Mine safety |
| Formato | Materiale a stampa  |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Altri titoli varianti | Stemming in metal mines |
| Record Nr. | UNINA-9910705668703321 |
Johnson John A (John Albert), <1896->
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| [Washington, D.C.] : , : U.S. Department of the Interior, Bureau of Mines, , 1942 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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Use of wetting agents in reducing dust produced by wet drilling in basalt / / by John A. Johnson
| Use of wetting agents in reducing dust produced by wet drilling in basalt / / by John A. Johnson |
| Autore | Johnson John A (John Albert), <1896-> |
| Pubbl/distr/stampa | Washington, D.C. : , : U.S. Department of the Interior, Bureau of Mines, , 1943 |
| Descrizione fisica | 1 online resource (44 unnumbered pages) : illustrations |
| Collana | R. I. |
| Soggetto topico |
Mines and mineral resources - Dust control - United States
Mines and mineral resources - Dust control |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910705668003321 |
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Johnson John A (John Albert), <1896->
|
||
| Washington, D.C. : , : U.S. Department of the Interior, Bureau of Mines, , 1943 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||