Shaft Sinking Practices And Costs
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Shaft sinking Practices and Costs
Author | : Eugene Delos Gardner,John Frederick Johnson |
Publsiher | : Unknown |
Total Pages | : 124 |
Release | : 1932 |
Genre | : Mines and mineral resources |
ISBN | : OSU:32435056594542 |
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Shaft sinking Methods and Costs and Cost of Plant and Equipment at the Macassa Mine Kirkland Lake Ontario
Author | : G. A. Howes,C. F. Jackson |
Publsiher | : Unknown |
Total Pages | : 16 |
Release | : 1932 |
Genre | : Mines and mineral resources |
ISBN | : UOM:39015077565037 |
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Shaft sinking Methods and Costs at the T L Shaft Eureka Corp Eureka Nev
Author | : A. C. Johnson |
Publsiher | : Unknown |
Total Pages | : 34 |
Release | : 1958 |
Genre | : Shaft sinking |
ISBN | : UOM:39015078454017 |
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Sinking Practice and Costs at the Pim Shaft St Louis Smelting Refining Works National Lead Co St Francois Mo
Author | : Roy H. Poston |
Publsiher | : Unknown |
Total Pages | : 20 |
Release | : 1932 |
Genre | : Mineral industries |
ISBN | : UOM:39015095085612 |
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Shaft sinking Methods and Costs and Cost of Plant and Equipment at the Fad Shaft Eureka Corp Ltd Eureka Nev
Author | : George W. Mitchell,A. C. Johnson |
Publsiher | : Unknown |
Total Pages | : 52 |
Release | : 1949 |
Genre | : Mining engineering |
ISBN | : UOM:39015078463752 |
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Shaft sinking Methods Practices and Costs of the Consolidation Coal Co at Its No 261 Mine Caretta McDowell County W Va
Author | : Laurence E. Kelley |
Publsiher | : Unknown |
Total Pages | : 28 |
Release | : 1932 |
Genre | : Mining engineering |
ISBN | : UOM:39015086485342 |
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Methods and Costs of Shaft Sinking U S Atomic Energy Commission Project Gnome Near Carlsbad New Mexico
Author | : Merwin H. Howes |
Publsiher | : Unknown |
Total Pages | : 60 |
Release | : 1963 |
Genre | : Mine ventilation |
ISBN | : UOM:39015078456889 |
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Gnome shaft, situated about 24 miles southeast of Carlsbad, N. Mex., was designed and sunk by the U.S. Atomic Energy Commission for conducting a peace-time experimental nuclear explosion in the thick salt beds of the Permian Salado formation. Excavation was started July 1, 1960, and completed July 26, 1961. The 10-foot diameter shaft, lined with concrete through the rock section, was sunk 1,216 feet. A drift was driven approximately 1,140 feet on the 1,200-foot level terminating in a shot chamber. On completion of 100 feet of shaft, by means of a truck-mounted crane, facilities were installed for conventional sinking. About 709 feet of rock and 506 feet of salt were encountered in the shaft. Salt beds at this place are reported to be over 1,200 feet thick. The overlying rock section varies greatly in composition and thickness of beds and contains a 28-foot bed of water-bearing dolomite. The aquifer was sealed to facilitate shaft sinking and to prevent water-seepage damage in the salt section of the shaft. Sealing was accomplished by grout injection through holes drilled into the aquifer and by grouting behind the concrete liner
Methods and Costs of Shaft Sinking in the Coeur D Alene District Shoshone County Idaho
Author | : John R. McWilliams,Eric G. Erickson |
Publsiher | : Unknown |
Total Pages | : 60 |
Release | : 1960 |
Genre | : Mine ventilation |
ISBN | : UOM:39015078461061 |
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