Falls of roof and coal in mines operating in the Pittsburgh coal bed in Marion and Monongalia counties, W. Va. / by J.W. Paul and J.N. Geyer.
|Main Author:||Paul, James Washington.|
|Related Names:||Geyer, John Nicholas 1896-|
Washington, D.C. : U.S.Bureau of Mines, 1932.
Coal mines and mining
> West Virginia
> Monongalia County.
Coal mines and mining > West Virginia > Marion County.
Coal mine accidents.
At head of title: U.S. Department of Commerce, R.P. Lamont, secretary. Bureau of Mines. Scott Turner, director ...
ii, 43 p. :
illus., map, tables, diagr. ;
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