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Backfilling problem in the anthracite region as it relates to conservation of anthracite and prevention of subsidence

Good Fortune Iron Mine, Platte County, Wyo.

Shaft-sinking methods and costs and cost of plant and equipment at the Fad shaft, Eureka Corp., Ltd., Eureka, Nev.

The determination of low concentrations of hydrogen sulfide in gas by the methylene blue method

Published Year

• 1940-1949 (4) *

Subject

• Mining engineering (4) *
• Mineral industries (2)
• Mines and mineral resources (2)
• Anthracite coal--Pennsylvania (1)
• Coal mines and mining--Pennsylvania (1)
• Iron ores--Wyoming--Platte County (1)
• Shaft sinking--Costs (1)
• Shaft sinking--Technique (1)
• Subsidences (Earth movements) (1)

Author

• Ash, S. H. (1)
• Frey, Eugene. (1)
• Grafius, M. A. (1)
• Johnson, A. C. (1)
• Mitchell, George W. (1)
• Sands, A. E. (1)
• Wainwright, H. W. (1)
• Westfield, James. (1)
• Wilson, M. W. (1)

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