All Untagged Photos
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Boiler Room
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Inlet Gate Chamber Forms
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Back of Stokers
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Asphalt Roadway
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Condition of Bottom
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Aspinwall Pumping Station
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Aspinwall Pumping Station
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Landscape view
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Flood Damage
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Brilliant Intake and Bridge
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Breaking Load
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Brilliant Pumping Station
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Engineers' Society of Western Pennsylvania
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Boiler Room
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Gallery Wall and Barrel Arch Forms
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Arch Bridge Construction
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Ice in Allegheny River
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Filtration Division
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Basin No. 3
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Floor on North of Reservoir
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Freeport Road
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Laying Steel Pipe
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General Laboratory
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General View of Work
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Hains Mixer
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Filtration Division
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Handling Excavated Material
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Janitor's House