Deep mining methods, conglomerate mine of the Calumet and Hecla Consolidated Copper Co. / by Harry Vivian.
This paper deals principally with the retreating method of mining as applied in the Calumet & Hecla Consolidated Copper [Companies] deep Conglomerate mine, pointing out some of the difficulties encountered in deep mining describing the particular methods used at Calumet to carry on a large-scale...
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| Main Author: | |
| Corporate Author: | |
| Format: | Government Document Book |
| Language: | English |
| Published: |
[Place of publication not identified] :
United States Bureau of Mines,
1931.
|
| Series: | Information circular (United States. Bureau of Mines) ;
6526. |
| Subjects: |
MARC
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| 100 | 1 | |a Vivian, Harry. | |
| 245 | 1 | 0 | |a Deep mining methods, conglomerate mine of the Calumet and Hecla Consolidated Copper Co. / |c by Harry Vivian. |
| 260 | |a [Place of publication not identified] : |b United States Bureau of Mines, |c 1931. | ||
| 300 | |a 20 pages, 17 unnumbered leaves of plates ; |c 27 cm. | ||
| 336 | |a text |b txt |2 rdacontent. | ||
| 337 | |a unmediated |b n |2 rdamedia. | ||
| 338 | |a volume |b nc |2 rdacarrier. | ||
| 490 | 1 | |a Information circular / U.S. Bureau of Mines ; |v no. 6526. | |
| 500 | |a At head of title: Department of Commerce--Bureau of Mines. | ||
| 500 | |a No.6526-6550 issued bound together. | ||
| 500 | |a "October 1931." | ||
| 500 | |a Cover title. | ||
| 504 | |a Includes bibliographical references. | ||
| 520 | |a This paper deals principally with the retreating method of mining as applied in the Calumet & Hecla Consolidated Copper [Companies] deep Conglomerate mine, pointing out some of the difficulties encountered in deep mining describing the particular methods used at Calumet to carry on a large-scale operation at great depth wiht a minimum hazard factor. The circular is one of a series dealing with mining methods and costs which is being prepared for and published by the United States Bureau of Mines. | ||
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| 610 | 2 | 0 | |a Calumet and Hecla Consolidated Copper Company. |0 http://id.loc.gov/authorities/names/n88023028. |
| 650 | 0 | |a Copper mines and mining |z Michigan |z Upper Peninsula. | |
| 650 | 0 | |a Mining engineering |z Michigan |z Upper Peninsula. | |
| 710 | 1 | |a United States. |b Bureau of Mines. |0 http://id.loc.gov/authorities/names/n79063444 |1 http://isni.org/isni/0000000122941336. | |
| 776 | 0 | 8 | |i Online version: |a Vivian, Harry. |t Deep mining methods, conglomerate mine of the Calumet and Hecla Consolidated Copper Co. |d [S.l.] : United States Bureau of Mines, 1931 |w (OCoLC)605223466. |
| 776 | 0 | 8 | |i Online version: |a Vivian, Harry. |t Deep mining methods, conglomerate mine of the Calumet and Hecla Consolidated Copper Co. |d [S.l.] : United States Bureau of Mines, 1931 |w (OCoLC)607687677. |
| 830 | 0 | |a Information circular (United States. Bureau of Mines) ; |v 6526. |0 http://id.loc.gov/authorities/names/n42037700. | |
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