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Baltimore and Ohio Railroad Records
Pittsburgh -- Xanadu Garden
Pittsburgh Consolidation Coal Company photographs and other materials
Enterprise Mine #49, Washington County, Pennsylvania
Meadowbrook Mine #55, Fayette County, Pennsylvania
Hutchinson [Sewickley Township,
Westmoreland County,
Pennsylvania?], mines #67 and #84
Solon, Fayette County, Pennsylvania
Historic Footage of Pennsylvania Colliery, ca. 1930-1940
Delaware, Lackawanna and Western Railroad Records
Rail to river coal delivery, Glenwood, Pennsylvania
Hammond Coal Company Records
Coaling station, Versailles, Pennsylvania
Coaling station, Versailles, Pennsylvania
Coaling station, Versailles, Pennsylvania
Coaling station, Versailles, Pennsylvania
Coaling station, Versailles, Pennsylvania