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Geologic Factors in Predicting Coal Mine Roof-Rock Stability in the Upper Kittanning Coalbed, Somerset County, Pennsylvania
Report issued by the Bureau of Mines over the geology of roof-rock stability in coal mines. The distribution, frequency, and magnitude of roof falls in U.S. coal mines are discussed. This report includes maps, illustrations, and photographs.
Date:
1981
Creator:
Iannacchione, A. T.; Ulery, J. P.; Hyman, D. M. & Chase, F. E.
System:
The UNT Digital Library
Alumina Miniplant Operations: Separation of Aluminum Chloride Liquor from Leach Residue Solids by Classification and Thickening
Report issued by the Bureau of Mines over recovery methods of alumina through leaching of kaolin clay. The materials, equipment, and procedures used are discussed. This report includes tables, and illustrations.
Date:
1983
Creator:
Sorensen, Roy T.; Sawyer, Dwight L., Jr. & Turner, Theodore L.
System:
The UNT Digital Library
Reducing Hazards in Underground Coal Mines Through the Recognition and Delineation of Coalbed Discontinuities Caused by Ancient Channel Processes
Report issued by the Bureau of Mines over the reduction of underground mining hazards. Coal bed discontinuities are discussed. This report includes tables, maps, and illustrations.
Date:
1985
Creator:
Kertis, Carla A.
System:
The UNT Digital Library
Methane Contents of Oil Shale from the Piceance Basin, Colorado
Report issued by the Bureau of Mines over studies conducted on oil-shale deposits of the Piceance Basin. The gas content of the deposits is discussed. This report includes maps, and illustrations.
Date:
1987
Creator:
Schatzel, S. J.; Sainato, A. & LaScola, J. C.
System:
The UNT Digital Library
Effects of Ancient Stream Channel Deposits on Mine Roof Stability: A Case Study
Report issued by the Bureau of Mines over studies conducted on mine roof stability. Mining methods to improve roof stability are discussed. This report includes tables, maps, illustrations, and photographs.
Date:
1987
Creator:
Ingram, David K. & Chase, Frank E.
System:
The UNT Digital Library
Investigation of Methane Occurrence and Outbursts in the Cote Blanche Domal Salt Mine, Louisiana
Report issued by the Bureau of Mines over studies conducted on the outbursts of salt often responsible for fatalities in salt mines. The salt samples were tested for methane content. The test results are discussed. This report includes tables, maps, illustrations, and photographs.
Date:
1988
Creator:
Molinda, Gregory M.
System:
The UNT Digital Library