Blast-hole drilling with diamond drills at the Tennessee Copper Co. mines, Ducktown, Tenn. / by William A. Beck.
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| Online Access: |
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| Main Author: | |
| Corporate Author: | |
| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington, D.C. :
U.S. Dept. of the Interior, Bureau of Mines,
1948.
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| Series: | Information circular (United States. Bureau of Mines) ;
7452. |
| Subjects: |
| Item Description: | At head of title: Department of Commerce--Bureau of Mines. No.7451-7475 issued bound together. |
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| Physical Description: | 17 pages : illustrations ; 26cm. |
| Action Note: | committed to retain |