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Geology topics

K.O. Bushnell

Publications and source records attributed to K.O. Bushnell.

4 recordsLinked to original sources

USGS1976

Map showing areas that correlate with subsidence events due to underground mining in Armstrong, Beaver, and Butler Counties, Pennsylvania

No abstract available.

Pennsylvania↗

USGS1975

Map showing depths to the Pittsburgh coal bed, mining activity, and related surface subsidence, Allegheny, Washington, and Westmoreland Counties, Pennsylvania

No abstract available.

Pennsylvania↗

USGS1975

Map showing depths to the Upper Freeport coal bed, mining activity, and related surface subsidence, and the Redstone coal bed mines, Allegheny, Washington, and Westmoreland Counties, Pennsylvania

Explore the source record for details and available documents.

Miscellaneous Field Studies Map↗

USGS1975

Map showing areas that correlate with subsidence events due to underground mining of the Pittsburgh and Upper Freeport coal beds, Allegheny, Washington, and Westmoreland counties, Pennsylvania

No abstract available.

Pennsylvania↗