Reports of the Inspectors of Coal Mines of Pennsylvania.
Report of the Bureau of Mines of the Department of Internal Affairs of Pennsylvania
Reports of the Inspectors of Mines of the anthracite and bituminous coal regions of Pennsylvania for the year ...
[Harrisburg : Dept. of Internal Affairs], -1897
> Dept. of Mines and Mineral Industries.
Coal mines and mining > Pennsylvania > Periodicals.
Part V of the report of the Department of Internal Affairs.
Description based on: 1896.
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- Full view1896 (original from Princeton University)