Geologic Factors in Predicting Coal Mine Roof-Rock Stability in the Upper Kittanning Coalbed, Somerset County, Pennsylvania

Geologic Factors in Predicting Coal Mine Roof-Rock Stability in the Upper Kittanning Coalbed, Somerset County, Pennsylvania

Date: 1981
Creator: Iannacchione, A. T.
Description: 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.
Contributing Partner: UNT Libraries Government Documents Department
Methane Contents of Oil Shale from the Piceance Basin, Colorado

Methane Contents of Oil Shale from the Piceance Basin, Colorado

Date: 1987
Creator: Schatzel, S. J.
Description: 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.
Contributing Partner: UNT Libraries Government Documents Department