English

Reports of the Inspectors of Mines of the anthracite coal regions of Pennsylvania for the year 1883

Report year ends Dec. 31 · Continues: Pennsylvania. Inspectors of Mines. Reports of the Inspectors of Coal Mines of the anthricite coals regions of Pennsylvania for the year .. · Continued by: Pennsylvania. Inspectors of Mines. Reports of the Inspectors of Mines of the anthracite and bituminous coal regions of Pennsylvania

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