Ashokan Reservoir. View of Esopus creek at Olive Bridge dam site, sho...
Picryl description: Public domain image of a quarry, excavation or mining site, free to use, no copyright restrictions.
Outline map of New York Harbor & vicinity : showing main tidal flow, s...
Public domain scan of a vintage map, plan, atlas, free to use, no copyright restrictions - Picryl description.
Ashokan Reservoir. View of up-stream face of Olive Bridge dam showing ...
Public domain photograph of industrial architecture, factory building, free to use, no copyright restrictions image - Picryl description
Aerators. View looking towards Ashokan Screen chamber showing aerator ...
Public domain photograph of industrial architecture, factory building, free to use, no copyright restrictions image - Picryl description
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. View showing construction of conduit built under t...
Picryl description: Public domain image of a construction site, industrial or commercial building, free to use, no copyright restrictions.
Lift-tractors and their trailers maintain fast flow of materials ; 20-...
Public domain photograph of factory building, free to use, no copyright restrictions image - Picryl description
Ice Flow in the Hudson at West Point. [Winter.]
New York State stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker w... More
Where still Waters Flow, Nantucket Island, Mass.
Public domain photo of vintage Massachusetts postcard, free to use, no copyright restrictions image - Picryl description
Ashokan Reservoir. View at site of Olive Bridge dam, showing coffer-d...
Public domain photograph of 20th-century painting, free to use, no copyright restrictions image - Picryl description
Ashokan Reservoir. Up-stream face of masonry portion of Olive Bridge ...
Picryl description: Public domain image of an arch bridge, stone structure, architecture, free to use, no copyright restrictions.
Ashokan Reservoir. Excavation completed and concrete floor in place fo...
Picryl description: Public domain vintage artistic photograph, free to use, no copyright restrictions image.
Hill View reservoir. Downtake chamber showing sluice-gates in place f...
Picryl description: Public domain image of a damaged, burned, or destroyed building, natural disaster, war destruction, ruins, 19th-century architecture, free to use, no copyright restrictions.
Ice Flow in the Hudson at West Point. [Winter.]
New York State stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker w... More
Ice Flow in the Hudson at West Point. [Winter.]
New York State stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker w... More
Ice Flow in the Hudson at West Point. [Winter.]
New York State stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker w... More