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stream control conduit

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Ashokan Reservoir. Forms for concrete plug, 26 feet thick, in stream-control conduit in Olive Bridge dam. The 6-foot opening at  bottom carries the flow of Esopus creek. Contract 3. August 25, 1913.

Ashokan Reservoir. Forms for concrete plug, 26 feet thick, in stream-c...

Public domain photograph of industrial architecture, factory building, free to use, no copyright restrictions image - Picryl description

Ashokan Reservoir. Down-stream face of Olive Bridge dam with concreting plant for placing plug in stream-control conduit. Contract 3. November 18, 1913.

Ashokan Reservoir. Down-stream face of Olive Bridge dam with concretin...

Public domain scan of artwork related to technological or industrial history, free to use, no copyright restrictions image - Picryl description