Methods And Costs Of Sinking A 2 1 2 Compartment Shaft At The Hope Mine Clark Fork Idaho PDF Download
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Author | : Robert J. Hundhausen |
Publisher | : |
Total Pages | : 26 |
Release | : 1948 |
Genre | : Mines and mineral resources |
ISBN | : |
Download Methods and Costs of Sinking a 2-1/2-compartment Shaft at the Hope Mine, Clark Fork, Idaho Book in PDF, ePub and Kindle
Author | : McHenry Mosier |
Publisher | : |
Total Pages | : 0 |
Release | : 1947 |
Genre | : Anthracite coal |
ISBN | : |
Download Methods and Costs of Sinking a 2-1/2 Compartment Shaft at the Hope Mine, Clark Fork, Idaho Book in PDF, ePub and Kindle
The Phelps Dodge Corp. New Cornelia Branch open-pit copper mine operated without a fatality in the drilling and blasting department from December 13, 1937, to April 1, 1947, and continuing. Between the dates named the explosives crews had a total of 746,520 man hours of exposure and handled 12,000 tons of explosives, over 770,000 detonators, 2,300,000 feet of fuse, and 7,700,000 feet of Primacord in loading holes to break 116,780,000 tons of material. It is the purpose of this paper to record the precautions taken to insure safe handling of explosives at this operation where safety is definitely a matter of forethought rather than chance.
Author | : |
Publisher | : |
Total Pages | : 1068 |
Release | : 1947 |
Genre | : Mines and mineral resources |
ISBN | : |
Download Information Circular Book in PDF, ePub and Kindle
Author | : John R. McWilliams |
Publisher | : |
Total Pages | : 60 |
Release | : 1960 |
Genre | : Mine ventilation |
ISBN | : |
Download Methods and Costs of Shaft Sinking in the Coeur D'Alene District, Shoshone County, Idaho Book in PDF, ePub and Kindle
Author | : United States. Superintendent of Documents |
Publisher | : |
Total Pages | : 1334 |
Release | : 1948 |
Genre | : Government publications |
ISBN | : |
Download Catalogue of Publications Issued by the Government of the United States Book in PDF, ePub and Kindle
February issue includes Appendix entitled Directory of United States Government periodicals and subscription publications; September issue includes List of depository libraries; June and December issues include semiannual index
Author | : United States. Bureau of Mines |
Publisher | : |
Total Pages | : 838 |
Release | : 1960 |
Genre | : Mineral engineering |
ISBN | : |
Download List of Publications Issued by the Bureau of Mines from July 1, 1910, to January 1, 1960 Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 1606 |
Release | : 1948 |
Genre | : Government publications |
ISBN | : |
Download United States Government Publications Monthly Catalog Book in PDF, ePub and Kindle
Author | : Eugene Delos Gardner |
Publisher | : |
Total Pages | : 124 |
Release | : 1932 |
Genre | : Mines and mineral resources |
ISBN | : |
Download Shaft-sinking Practices and Costs Book in PDF, ePub and Kindle
Author | : United States. Bureau of Mines |
Publisher | : |
Total Pages | : 840 |
Release | : 1960 |
Genre | : Mineral industries |
ISBN | : |
Download List of Bureau of Mines Publications and Articles ... with Subject and Author Index Book in PDF, ePub and Kindle
Author | : United States. Bureau of Mines |
Publisher | : |
Total Pages | : 470 |
Release | : 1950 |
Genre | : Mineral industries |
ISBN | : |
Download List of Publications Issued by the Bureau of Mines, with Subject and Author Index Book in PDF, ePub and Kindle