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Serial/Series Title
Counties
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Estimate of Known Recoverable Reserves of Coking Coal in Somerset County, Pennsylvania
Report issued by the U.S. Bureau of Mines regarding an investigation of the reserves of coking coal in Somerset County, Pennsylvania. The report includes tables and maps representing different coal beds within Somerset County.
Date:
August 1953
Creator:
Wallace, Joseph J.; Dowd, James J.; Bowsher, John A.; Abernethy, R. F. & Reynolds, D. A.
System:
The UNT Digital Library
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