Comparison of aerial and ground surveying of subsidence over an active longwall

An edition of Comparison of aerial and ground surveying of subsidence over an active longwall (1988)

Comparison of aerial and ground surveying of subsidence over an active longwall

By John C. LaScola

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Publish Date

1988

Publisher

U.S. Dept. of the Interior, Bureau of Mines

Language

eng

Pages

Description:

subjects: Longwall mining, Measurement, Mine subsidences, Pennsylvania, Safety measures, Waynesburg Region

Places: Pennsylvania, Waynesburg Region