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Baltimore and Ohio Railroad Records
Robinson and Via Family Papers
Heavy Repair Shop, View from Stone House looking east, Cumberland, Maryland
Maryland end of timber bridge at Harper's Ferry
Patapsco River Truss at Ilchester, Maryland
Patapsco River Truss at Ilchester, Maryland
Seneca Creek Bridge, Waring station, Maryland
Seneca Creek Bridge, Waring station, Maryland
Seneca Creek Bridge, Waring station, Maryland
Seneca Creek Bridge, Waring station, Maryland
Electric plant Baltimore, Maryland, tandem compound engine ‑ generators
Locust Point, Maryland ‑ Sprague electric riding trolley hoist (monorail)
Bollman truss, Savage, Maryland, view through bridge
Bollman truss, Savage, Maryland, side view
Bollman truss, Savage, Maryland, side view
Bollman truss, Savage, Maryland, side view
Stone Quarry, Savage, Maryland
C&O Canal, Point of Rocks, Maryland
Stone Quarry, Savage, Maryland