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
Rondout pressure tunnel. ... Contract 12. October 6, 1910.
Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.
Silver Lake reservoir. View of Gate-chamber in Middle dike showing wa...
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.
Pleasantville Venturi meter. .. Contract 55. August 22, 1911.
Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.
Wallkill North cut-and-cover. ... Contract 47. October 4, 1912.
Picryl description: Public domain image of railroad tracks, railway, train car, free to use, no copyright restrictions.
Kensico reservoir. View showing excavation for foundation of Kensico d...
Public domain photograph of construction site, free to use, no copyright restrictions image - Picryl description
Wallkill North cut-and-cover. Aqueduct built on rolled embarkment. ......
Picryl description: Public domain image of railroad tracks, railway, train car, free to use, no copyright restrictions.
Bryn Mawr blow-off. ... Contract 79. September 25, 1914.
Public domain image of an arch structure, bridge, historic place ruins, classical architecture, free to use, no copyright restrictions - 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 of Olive Bridge dam just after removal of the...
Public domain scan of artwork related to technological or industrial history, free to use, no copyright restrictions image - Picryl description
Highways. Ashokan reservoir. ... Contract 152. May 25, 1916.
Public domain scan of artwork related to technological or industrial history, free to use, no copyright restrictions image - Picryl description
Rondout pressure tunnel. ... Contract 12. April 20, 1911.
Public domain photograph of industrial architecture, factory building, free to use, no copyright restrictions image - Picryl description
Rondout pressure tunnel. Showing method of placing concrete in arch. ...
Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.
Ashokan Reservoir. View of Woodstock dike under construction. Train on...
Picryl description: Public domain image of railroad tracks, railway, train car, free to use, no copyright restrictions.
Public domain image of New york city cityscape, free to use, no copyri...
Public domain scan of artwork related to technological or industrial history, free to use, no copyright restrictions image - Picryl description
Bridges. Ashokan reservoir. ... Contract 49. April 28, 1914.
Picryl description: Public domain vintage artistic photograph, free to use, no copyright restrictions image.
Wallkill pressure tunnel. Side-wall and arch forms in place ready for ...
Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.
Ashokan Reservoir. Placing paving on up-stream side of East dike. Cont...
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Rondout pressure tunnel. Compressors at power-house. Contract 12. Nov...
Picryl description: Public domain image of a construction site, works, 20th-century industrial architecture, free to use, no copyright restrictions.
Camps. Catskill aqueduct. ... Contract 25. July 26, 1909.
Public domain photograph of industrial architecture, factory building, free to use, no copyright restrictions image - Picryl description
Ashokan Lower gate-chamber, with electrically-driven valves, vertical ...
Public domain photograph of industrial architecture, factory building, free to use, no copyright restrictions image - Picryl description
Camps. Catskill aqueduct. .. Contract 11. June 21, 1910.
Public domain photograph of industrial architecture, factory building, free to use, no copyright restrictions image - Picryl description
Wallkill pressure tunnel. View showing "trailing" method of placing co...
Picryl description: Public domain image of a mining, coal mine, underground, free to use, no copyright restrictions.
Camps. Chemical dosing plant for treating the tunnel drainage and spoi...
Public domain photograph of bank building, free to use, no copyright restrictions image - Picryl description
Camps. Yonkers pressure tunnel. ... Contract 54. October 28, 1910.
Public domain scan of artwork related to technological or industrial history, free to use, no copyright restrictions image - Picryl description
Kensico reservoir. View from Upper West pavilion showing completed Eas...
Picryl description: Public domain image of railroad tracks, railway, train car, free to use, no copyright restrictions.
Rondout pressure tunnel. View of concrete ring in place at top of shaf...
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Ardsley cut-and-cover. Finished embankment over aqueduct. Contract 53...
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Hill View reservoir. ... Contract 30. December 21, 1910.
Public domain photograph of industrial architecture, factory building, free to use, no copyright restrictions image - Picryl description
Ashokan Reservoir. Work in progress on cut-off trench under the mason...
Picryl description: Public domain image of ruins, historic place, landmark, classical architecture, free to use, no copyright restrictions.
Rondout pressure tunnel. Completed excavation with temporary roof timb...
Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.
Rondout pressure tunnel. ... Contract 12. September 11, 1916.
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Ashokan Reservoir. View showing construction work on piers in bed of ...
Public domain photograph of historic place, landmark, 19th-century, vintage travel, landscape, free to use, no copyright restrictions image - Picryl description
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.
Kensico reservoir. View showning excavation of old Kensico dam in prog...
Public domain scan of artwork related to technological or industrial history, free to use, no copyright restrictions image - Picryl description
Hudson blow-off. ... Contract 90. August 31, 1914.
Public domain photograph of historic place, landmark, 19th-century, vintage travel, landscape, free to use, no copyright restrictions image - Picryl description
Rondout pressure tunnel. View showing completed excavation and roof ti...
Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.
Eastview tunnel. Interior view, showing concrete of arch and side-wall...
Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.
Moodna supplementary tunnel. .. Contract 160. April 28, 1915.
Public domain photograph of the train tunnel, railroad, train track, free to use, no copyright restrictions image - Picryl description
Kensico reservoir. Placing granite facing on the down-stream face of t...
Picryl description: Public domain photograph of a road works, construction, excavation, free to use, no copyright restrictions.
Wallkill South cut-and-cover. Inside steel forms in place with outside...
Public domain image of an arch structure, bridge, historic place ruins, classical architecture, free to use, no copyright restrictions - Picryl description
Bridges. Ashokan reservoir. ... Contract 111. September 25, 1913.
Picryl description: Public domain image of a bridge, water, historic structure, free to use, no copyright restrictions.
Fences. Fence along Ashokan highways. ... Contract 143. September 25, ...
Public domain photograph of historic place, landmark, 19th-century, vintage travel, landscape, free to use, no copyright restrictions image - Picryl description
Police. Broadhead, N.Y. Patrolmen-on-Aqueduct. Interior of police sta...
Picryl description: Public domain image of an office, table, bureau, desk, free to use, no copyright restrictions.
Camps. Ashokan reservoir. ... Contract 3. October 30, 1908.
Picryl description: Public domain image of an industrial building, warehouse, depot, train station, 19th-20th century, free to use, no copyright restrictions.
Silver Lake reservoir. View showing method of building earth dikes. ....
Public domain image of horse carriage, free to use, no copyright restrictions image - Picryl description
Highways. Ashokan reservoir. ... Contract 151. October 26, 1914.
Public domain scan of artwork related to technological or industrial history, free to use, no copyright restrictions image - Picryl description
Rondout pressure tunnel. Steel arch forms mounted on traveler with pla...
Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.
Ashokan Reservoir. View showing flooded condition of Esopus creek at...
Public domain photograph of historic place, landmark, 19th-century, vintage travel, landscape, free to use, no copyright restrictions image - Picryl description
Bridges. Kensico reservoir. ... Contract 9. April 25, 1917.
Picryl description: Public domain image related to death, coffin, grave, funeral, burial, monument, cemetery, free to use, no copyright restrictions.
Ashokan Reservoir. View showing method of depositing fine selected ea...
Public domain scan of artwork related to technological or industrial history, free to use, no copyright restrictions image - Picryl description
Picryl description: Public domain image of byciclyst, bike, bicycle wh...
Picryl description: Public domain image of bicyclist, bike, bicycle wheel, sport event, free to use, no copyright restrictions.
Bridges. Kensico reservoir with Cranberry Brook bridge in foreground....
Public domain photograph of historic place, landmark, 19th-century, vintage travel, landscape, free to use, no copyright restrictions image - Picryl description
Public domain image of New york city cityscape, free to use, no copyri...
Public domain scan of artwork related to technological or industrial history, free to use, no copyright restrictions image - Picryl description
Silver Lake reservoir. South Inlet channel lined with concrete lookin...
Public domain scan of artwork related to technological or industrial history, free to use, no copyright restrictions image - Picryl description
Organizations. Catskill aqueduct. Section office building and horse-sh...
Public domain photograph of a house, cottage, free to use, no copyright restrictions image - Picryl description
Hill View Reservoir. Placing concrete lining on embankment slopes. ......
Public domain photograph of train tracks, car, free to use, no copyright restrictions image - Picryl description
Ashokan Reservoir. Waste weir and upper end of Spillway leading to Eso...
Picryl description: Public domain image of an arch bridge, stone architecture, free to use, no copyright restrictions.
Ashokan Reservoir. View showing loose stone gorge in Esopus creek at ...
Public domain scan of artwork related to technological or industrial history, free to use, no copyright restrictions image - Picryl description
Bridges. Ashokan reservoir. ... Contract s 10 and 111. November 18, 19...
Picryl description: Public domain image of an arch bridge, stone architecture, free to use, no copyright restrictions.
Bridges. Ashokan reservoir. ... Contracts 76 and 124. April 7, 1916.
Picryl description: Public domain image of an arch bridge, stone architecture, free to use, no copyright restrictions.
Wallkill pressure tunnel. View showing completed concrete side-wall. N...
Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.
Ashokan Venturi meter. .. Contract 10. November 29, 1911.
Public domain scan of artwork related to technological or industrial history, free to use, no copyright restrictions image - Picryl description
Ashokan Reservoir. View showing concrete core-wall of North wing of Ol...
Public domain scan of artwork related to technological or industrial history, free to use, no copyright restrictions image - Picryl description
Kensico reservoir. View showing excavated V-shaped gorge at east end ...
Picryl description: Public domain image of a mine, mining, free to use, no copyright restrictions.
Organization. Hudson pressure tunnel. Mayor William J. Gaynor firing b...
Public domain scan of artwork related to technological or industrial history, free to use, no copyright restrictions image - Picryl description
Kensico By-pass Aqueduct. ... Contract 55. November 22, 1910.
Public domain image of an arch structure, bridge, historic place ruins, classical architecture, free to use, no copyright restrictions - Picryl description
Coagulating plant. ... Contract 159. September 19, 1917.
Public domain scan of artwork related to technological or industrial history, free to use, no copyright restrictions image - Picryl description
Wallkill pressure tunnel. ... Contract 47. May 25, 1910.
Picryl description: Public domain image of a construction site, works, 20th-century industrial architecture, free to use, no copyright restrictions.
Highways. Ashokan reservoir. ... Contract 151. October 26, 1914.
Public domain scan of artwork related to technological or industrial history, free to use, no copyright restrictions image - Picryl description
Yonkers pressure tunnel. Contract 54. November 21, 1913.
Public domain scan of artwork related to technological or industrial history, free to use, no copyright restrictions image - Picryl description
Surveys. Precise measuring and leveling on the side of Storm King mou...
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Highways. Ashokan reservoir. ... Contract 151. June 9, 1914.
Public domain scan of artwork related to technological or industrial history, free to use, no copyright restrictions image - Picryl description
Borings. Hand core-boring rig at work on line of Wallkill pressure tun...
Public domain photo of a monument, historic place, 19th century, free to use, no copyright restrictions image - Picryl description.
Catskill Aqueduct Headworks. View of Screen chamber looking towards Lo...
Public domain image of an arch structure, bridge, historic place ruins, classical architecture, free to use, no copyright restrictions - Picryl description
Bridges. Kensico reservoir. ... Contract 9. April 15, 1916.
Picryl description: Public domain vintage artistic photograph, free to use, no copyright restrictions image.
Ashokan Reservoir. View of Olive Bridge dam showing down-stream face o...
Public domain scan of artwork related to technological or industrial history, free to use, no copyright restrictions image - Picryl description
Wallkill North cut-and-cover. Interior of conpleted section of aqueduc...
Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.
Ashokan Reservoir. View showing down-stream side of Glenford dike on t...
Picryl description: Public domain image of railroad tracks, railway, train car, free to use, no copyright restrictions.
Police. Broadhead, N.Y. Patrolmen-on-Aqueduct. General inspection. May...
Public domain scan of artwork related to technological or industrial history, free to use, no copyright restrictions image - Picryl description
Camps. Catskill aqueduct. ... Contract 17. January 20, 1910.
Picryl description: Public domain image of a basement, underground, lobby, free to use, no copyright restrictions.
Kensico reservoir. View of up-stream face of dam. Derricks handle all ...
Picryl description: Public domain image of a construction site, works, 20th-century industrial architecture, free to use, no copyright restrictions.
Yonkers pressure tunnel. Finished lining in foreground. Placing concr...
Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.
Ashokan Reservoir. Placing concrete in cut-off trench under masonry p...
Picryl description: Public domain image of historical building ruins, free to use, no copyright restrictions.
Nurseries. View of nursery at Eckert's Flats, Brown Station. April 15,...
Public domain photograph of train station, free to use, no copyright restrictions image - Picryl description
Croton Lake pressure tunnel. ... Contract 24. October 3, 1913.
Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.
Elmsford tunnel. Timbering near North portal. Bench not excavated. Con...
Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.
Camps. Ashokan reservoir. .. Contract 3. October 30, 1908.
Public domain photograph of industrial architecture, factory building, free to use, no copyright restrictions image - Picryl description
Kensico reservoir. General view of foundation and cut-off trench for K...
Picryl description: Public domain image of a quarry, mine, excavation, or mining site, free to use, no copyright restrictions.
Hill View reservoir. Placing 6-inch concrete lining on reservoir botto...
Public domain scan of artwork related to technological or industrial history, free to use, no copyright restrictions image - Picryl description
Highways. Ashokan reservoir. ... Contract 151. October 27, 1914.
Picryl description: Public domain vintage artistic photograph, free to use, no copyright restrictions image.
Rondout pressure tunnel. View of foot of shaft showning 90-degree junc...
Public domain scan of artwork related to technological or industrial history, free to use, no copyright restrictions image - Picryl description
Kensico reservoir. View showing expansion-joints of Kensico dam spaced...
Public domain image of an industrial building, factory, structure, works, 19th-20th century industrial revolution, free to use, no copyright restrictions - Picryl description
Yonkers pressure tunnel. Contract 54. April 18, 1913.
Picryl description: Public domain image of a construction site, industrial or commercial building, free to use, no copyright restrictions.
Hudson pressure tunnel. View around the East test-shaft on east side o...
Public domain photograph of industrial architecture, factory building, free to use, no copyright restrictions image - Picryl description
Bryn Mawr blow-off. ... Contracts 68 and 79. May 10, 1912.
Picryl description: Public domain image of a construction site, works, 20th-century industrial architecture, free to use, no copyright restrictions.
Kensico reservoir. View of down-stream face of dam showing method of p...
Picryl description: Public domain image of a construction site, industrial or commercial building, free to use, no copyright restrictions.
Borings. Boxes containing 1-inch, 1 3/4 -inch and 3-inch cores recover...
Public domain scan of artwork related to technological or industrial history, free to use, no copyright restrictions image - Picryl description
Yonkers pressure tunnel. ... Contract 54. October 9, 1912.
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.