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Sedimentation in the East Branch Mahoning Creek Basin, Clearfield and Jefferson Counties, Pennsylvania, June 1979 to June 1980

Description: From introduction: This report contains the findings of the first full year of data collected as part of a 3-year study to measure sediment discharges in the East Branch Mahoning Creek during installation of erosion and sedimentation controls by the surface miners.
Date: February 1982
Creator: Wetzel, Kim L.
Partner: UNT Libraries Government Documents Department

Radioactivity of Coals and Associated Rocks in Beaver, Clearfield, and Jefferson Counties, Pennsylvania

Description: Report discussing the investigation of radioactivity in coal beds and associated rocks from the Pottsville, Allegheny, and Conemaugh formations in Beaver, Clearfield, and Jefferson counties, Pennsylvania. The report provides information regarding the procedures used, descriptive geology of the areas, radioactivity data, factors affecting the occurrence of radioactivity, and a summary.
Date: January 1955
Creator: Ferm, John C.
Partner: UNT Libraries Government Documents Department