All Untagged Photos
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Looking East from Central Mixer
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Ash Tunnel Walls
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Cofferdam from South
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Effluent Piping
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High Water in Boiler House
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Highland Drive
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Filtered Water Reservoir
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Concrete Roadway
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Egg-Shaped Drain
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Filtration Works Comparison
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Excavation for the Main Drain
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Gallery No. 3
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Gravel Cushion
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Filtered Water Reservoir
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Intake Pumps Looking Northwest
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Excavation for Addition
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Aspinwall Pumping Station
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Cofferdam During Flood
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Filtration Plant Progress
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Construction by the Tracks
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Between Filters
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Flood View East
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Contact Baffles
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Cofferdam No. 2
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Contractors Plant
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Filtered Water Conduit
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Brilliant Pumping Station
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Allegheny River Bank