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Allegheny River Crossing Work
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East End of Reservoir
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Hydraulic Gate Valve
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Aspinwall Pumping Station
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Allegheny River Bank Looking West
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Cableway
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Cracked Floor Blocks
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Engineers' Society of Western Pennsylvania
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Engines and Pumps
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Allegheny River Evaluation
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Conduit Repair Process
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Freeport Road
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Embankment Trimming
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Flood Damage
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Filtered Water Reservoir
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Filtration Plant Progress
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Excavating in South Cofferdam
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Basin No. 1
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Aspinwall Pumping Station
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Asphalt Roadway
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Construction Progress
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Leech Farm
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Filtration Division
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Filtration Plant Progress
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Lemington Avenue Sewer
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Aspinwall Pumping Station
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Intake Forms
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Calculation Book
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