All Untagged Photos
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Filtration Plant Progress
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Filtration Plant Views
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Filtration Division
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Filtration Plant View
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Filter Sand Completed
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Embankment
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Construction Progress
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Interior of Gallery
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Flood Levels
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Generating Sets
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Leech Farm
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Aspinwall Pumping Station
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Contractors Plant
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Impeller
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Cofferdam Construction
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Excavation and Embankment
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Broken Vaulting
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Flood Damage
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Dipper Dredge
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Chimney Construction
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Hospital Road
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Crusher and Boiler Rooms
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Man on Edge of Cofferdam
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Cofferdam
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General View from Superintendent's House
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Filter No. 24
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Engineers' Society of Western Pennsylvania
Small 20090422 cp 0370 Not Tagged
Calculation Book