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Plan showing proposed exchange of coal between Pittsburgh Coal Co. and N. B. Johnson at Somers No. 2 Mine

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In collections

CONSOL Energy, Inc. Mine Maps and Records
Guide to the CONSOL Energy, Inc. Mine Maps and Records, 1857-2010 AIS.1991.16

Historic Pittsburgh is a collaborative effort from multiple institutions in the Greater Pittsburgh region and is hosted by the University of Pittsburgh’s Library System.