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.
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.
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...
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. 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
Wallkill pressure tunnel. ... Contract 47. May 25, 1910.
Public domain scan of artwork related to technological or industrial history, 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.
Ashokan Reservoir. View of village of Shokan. This lies within limits ...
Public domain scan of artwork related to technological or industrial history, free to use, no copyright restrictions image - Picryl description
Breakneck cut-and-cover. Typical of country traversed in Putnam County...
Public domain scan of artwork related to technological or industrial history, free to use, no copyright restrictions image - Picryl description
Camps. Rondout pressure tunnel. ... Contract 12. July 20, 1909.
Public domain photo of a monument, historic place, free to use, no copyright restrictions image - Picryl description
Ashokan Reservoir. Bishop's Falls, Esopus Creek, about 1/2 miles above...
Picryl description: Public domain image of a rural landscape with water, building, 17th-18th century architecture, free to use, no copyright restrictions.
Borings. View from Breakneck mountain looking west towards Storm King....
Picryl description: Public domain image of a landscape with water, mountains, and sky, free to use, no copyright restrictions.
Rondout pressure tunnel. Tunnel excavation showing operation on both ...
Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.
Bridges. Kensico reservoir. ... Contract 9. October 25, 1917.
Picryl description: Public domain vintage artistic photograph, free to use, no copyright restrictions image.
Highways. Ashokan reservoir. ... Contract 151. June 9, 1914.
Picryl description: Public domain vintage artistic photograph, free to use, no copyright restrictions image.
Kensico reservoir. Travelling stiff-leg derricks for handling masonry ...
Public domain scan of artwork related to technological or industrial history, free to use, no copyright restrictions image - Picryl description
Garrison tunnel. View showing methods of timbering. Bench mucking in p...
Public domain photograph of the train tunnel, railroad, train track, free to use, no copyright restrictions image - Picryl description
Bridges. Ashokan reservoir. ... Contract 49. April 16, 1913.
Picryl description: Public domain image of an arch bridge, stone structure, architecture, free to use, no copyright restrictions.
Hudson pressure tunnel. General view looking north at site of tunnel ...
Public domain scan of artwork related to technological or industrial history, free to use, no copyright restrictions image - Picryl description
Aerators. General view from Middle dike of Ashokan reservoir shoeing t...
Picryl description: Public domain image of a stadium, public building, sports arena, free to use, no copyright restrictions.
Organization. Catskill aqueduct. Commissioners Shaw, Simmons and Chadw...
Picryl description: Public domain photograph group portrait, free to use, no copyright restrictions.
Wallkill pressure tunnel. ... Contract 47. November 13, 1911.
Public domain photograph of the train tunnel, railroad, train track, free to use, no copyright restrictions image - Picryl description
Croton Lake pressure tunnel. View of section of tunnel showing comple...
Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.
Aerators. View showing Kensico aerator in operation. ... Contract 55...
Public domain scan of artwork related to technological or industrial history, free to use, no copyright restrictions image - Picryl description
Bridges. Kensico reservoir. ... Contract 9. May 2, 1911.
Picryl description: Public domain vintage artistic photograph, free to use, no copyright restrictions image.
Ashokan Reservoir. View showing excavation for pressure aqueducts to c...
Picryl description: Public domain image of a construction site, industrial or commercial building, free to use, no copyright restrictions.
Esopus cut-and-cover. Placing concrete arch with revolving cranes. Con...
Picryl description: Public domain photograph of a pipe, pipeline, excavation, free to use, no copyright restrictions.
Catskill Aqueduct Headworks. Lower Special aqueduct showing connection...
Public domain scan of artwork related to technological or industrial history, free to use, no copyright restrictions image - Picryl description
Bonticou tunnel. General view showing the South portal with stone-crus...
Public domain scan of artwork related to technological or industrial history, free to use, no copyright restrictions image - Picryl description
Organizations. Ashokan reservoir. Office building at Brown Station. Co...
Public domain photograph of industrial architecture, factory building, free to use, no copyright restrictions image - Picryl description
Esopus cut-and-cover. ... Contract 11. June 21, 1910.
Public domain photograph of industrial architecture, factory building, free to use, no copyright restrictions image - Picryl description
Ashokan Reservoir. View of Uppper gate-chamber from West Inlet channel...
Public domain photograph of industrial architecture, factory building, free to use, no copyright restrictions image - Picryl description
Silver Lake reservoir. View of reservoir showing North and South basi...
Public domain scan of artwork related to technological or industrial history, free to use, no copyright restrictions image - Picryl description
Police. Ashokan, N.Y. Patrolmen-on-Aqueduct. Arresting a violator of t...
Picryl description: Public domain image of byciclyst, bike, bicycle wheel, sport event, free to use, no copyright restrictions.
Organization. Hill View reservoir. View showing locker house on Jerome...
Public domain photograph of a house, cottage, free to use, no copyright restrictions image - Picryl description
Breakneck pressure tunnel. ... Contract 80. August 29, 1916.
Public domain photograph of industrial architecture, factory building, free to use, no copyright restrictions image - Picryl description
Yonkers pressure tunnel. One type of steel forms for lining tunnel. ....
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.
Public domain photograph of industrial architecture, factory building, free to use, no copyright restrictions image - Picryl description
Rondout pressure tunnel. Section of steel interlining in place to rei...
Public domain photograph of industrial architecture, factory building, free to use, no copyright restrictions image - Picryl description
Kensico reservoir. View showing Waste weir and foot bridge over Waste...
Public domain photo of a monument, historic place, free to use, no copyright restrictions image - Picryl description
Catskill aqueduct. ... Contract 58. March 4, 1913.
Public domain scan of artwork related to technological or industrial history, free to use, no copyright restrictions image - Picryl description
Ashokan Reservoir. View of Waste weir and concrete-paved Spillway. Was...
Public domain scan of artwork related to technological or industrial history, free to use, no copyright restrictions image - Picryl description
Ashokan Reservoir. View of Glenford dike showing relocated Ulster and ...
Picryl description: Public domain vintage artistic photograph, free to use, no copyright restrictions image.
Superstructures. Breakneck Gaging chamber, located south of Breakneck ...
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. October 2, 1912.
Picryl description: Public domain image of a bridge, water, historic structure, free to use, no copyright restrictions.
Bridges. Ashokan reservoir. ... Contract 111. June 9, 1914.
Picryl description: Public domain vintage artistic photograph, free to use, no copyright restrictions image.
Wallkill pressure tunnel. Transition section from cut-and-cover aquedu...
Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.
Wallkill pressure tunnel. End view of section of concrete lining with...
Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.
Peekskill cut-and-cover. Method of hadnling concrete. Contract 2. Oct...
Picryl description: Public domain photograph of a pipe, pipeline, excavation, free to use, no copyright restrictions.
Camps. Ashokan reservoir. ... Contract 3. July 27, 1908.
Public domain scan of artwork related to technological or industrial history, free to use, no copyright restrictions image - Picryl description
Camps. Ashokan reservoir. ... Contract 3. October 30, 1908.
Public domain photograph of a house, cottage, free to use, no copyright restrictions image - Picryl description
Hudson pressure tunnel. Fourteen-foot cast-steel dome for Drainage sha...
Picryl description: Public domain image of a construction site, works, 20th-century industrial architecture, free to use, no copyright restrictions.
Organization. Ashokan reservoir. Group of visitors on top of Olive Bri...
Public domain photograph of a crowd, event, meeting, demonstration, free to use, no copyright restrictions image - Picryl description
Police. Kensico, N.Y. Patrolmen-on-Aqueduct. Troop of mounted policem...
Picryl description: Public domain image of a rural landscape, horses, horse riding, farm animals, farmers, livestock, free to use, no copyright restrictions image.
Bridges. Kensico reservoir. ... Contract 9. November 22, 1910.
Public domain photograph of industrial architecture, factory building, free to use, no copyright restrictions image - Picryl description
Highways. Ashokan reservoir. ... Contract 152. September 25, 1915.
Public domain photograph of excavation, bulldozer, land management, free to use, no copyright restrictions image - Picryl description
Bonticou grade tunnel. South portal completed. Note stone boundary wa...
Public domain scan of artwork related to technological or industrial history, free to use, no copyright restrictions image - Picryl description