Subsidence over four room-and-pillar sections in southwestern Pennsylvania /
by Noel N. Moebs.

Description

Main Author

Moebs, Noel N.

Language(s)

English

Published

[Washington, D.C.] : U.S. Dept. of the Interior, Bureau of Mines, [1982]

Subjects

Coal mines and mining > Coal mines and mining / Pennsylvania > Coal mines and mining / Pennsylvania / Safety measures.
Mine subsidences > Mine subsidences / Pennsylvania > Mine subsidences / Pennsylvania / Measurement.

Physical Description

23 p. : ill. ; 28 cm.

Locate a Print Version

Find in a library

Viewability