All Untagged Photos
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Aspinwall Pumping Station
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Cofferdam Construction
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Foundation Test
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Filtered Water Reservoir No. 2
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Ash Tunnel Walls
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Contractors Plant
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Flume and Chimney
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Filtration Plant Progress
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Contractors Plant
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Filter No. 33.
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Brilliant Pumping Station
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General Excavation on Filter Beds
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Cofferdam During Flood
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Coal Conveyer
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Boiler Room Basement
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Engineers' Society of Western Pennsylvania
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Cofferdam Looking South
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Landscape View
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High Water at Revetments
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High Water
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Calculation Book
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Asphalt Roadway
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Filtered Water Reservoir
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Allegheny River Crossing Work Looking North
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Allegheny River Crossing Work
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Ashes Bin and Elevator
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Foundations
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Brilliant Pumping Station