Hughes, George Wurtz, 1806-1870. Report made to the committee of the citizens of Elmira, (Tioga County), on the Tioga Coal & Iron Mines, situated on the Tioga River / by George W. Hughes, engineer.

Hughes, George Wurtz, 1806-1870.

Report made to the committee of the citizens of Elmira, (Tioga County), on the Tioga Coal & Iron Mines, situated on the Tioga River / by George W. Hughes, engineer.

Albany : Printed by John B. Van Steenbergh, 1829.

Tioga Coal and Iron Mines.

Coal mines and mining -- Pennsylvania.

Iron mines and mining -- Pennsylvania.

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