new york n y board of water supply compiler

302 media by topicpage 2 of 4
Yonkers pressure tunnel. ... Contract 54. October 9, 1912.

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 of the West basin of Ashokan reservoir. December 5, 1906.

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. Contract 22. November 5, 1909.

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.

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 Oliver Bridge dam site. Note horizontal strata of rock in creek bed.

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. .. November 26, 1907.

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 bench and heading in progress. Contract 12. July 20, 1909.

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.

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.

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 for the dam. Tracks supported by blocks forming facing of expansion joints. Contract 9. July 23, 1914.

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

Ashokan Reservoir. View of old town of West Hurley, included in territory taken for the East basin of Ashokan resevoir. December 7, 1906.

Ashokan Reservoir. View of old town of West Hurley, included in territ...

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

Catskill aqueduct. ... Contract 94. September 11, 1916.

Catskill aqueduct. ... Contract 94. September 11, 1916.

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

Fences. Fence along Ashokan highways. ... Contract 143. November 2, 1916.

Fences. Fence along Ashokan highways. ... Contract 143. November 2, 19...

Picryl description: Public domain image of a bridge, water, historic structure, free to use, no copyright restrictions.

Rondout pressure tunnel. Placing concrete in excavated mud seam in the rock above the tunnel lining. Contract 12. July 20, 1911.

Rondout pressure tunnel. Placing concrete in excavated mud seam in the...

Picryl description: Public domain image of a basement, underground, lobby, free to use, no copyright restrictions.

Fences. Typical fence along City's taking line at Hill View reservoir. ... Contract 30. January 24, 1916.

Fences. Typical fence along City's taking line at Hill View reservoir....

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

Pleasantville cut-and-cover. ...  Contract 55. July 7, 1910.

Pleasantville cut-and-cover. ... Contract 55. July 7, 1910.

Picryl description: Public domain image of a quarry, mine, excavation, or mining site, free to use, no copyright restrictions.

Fences. Reinforced-concrete posts and metal gates on double right-of-way across St. Elmo cut-and-cover aqueduct. Contract 17. May 27, 1913.

Fences. Reinforced-concrete posts and metal gates on double right-of-w...

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

Culverts. Nelsonville cut-and-cover. View of end of culvert over which aqueduct is carried. ... Contract 2, July 9, 1912.

Culverts. Nelsonville cut-and-cover. View of end of culvert over which...

Picryl description: Public domain vintage artistic photograph, free to use, no copyright restrictions image.

Ashokan Venturi meter. .. Contract  10. November 11, 1911.

Ashokan Venturi meter. .. Contract 10. November 11, 1911.

Picryl description: Public domain photograph of a pipe, pipeline, excavation, free to use, no copyright restrictions.

Ashokan Reservoir.  View of Olive Bridge dam under construction. Note cyclopean masonry in body of dam and concrete blocks on face. Contract 3. September 21, 1909.

Ashokan Reservoir. View of Olive Bridge dam under construction. Note ...

Public domain photograph of electric wires, power line, free to use, no copyright restrictions image - Picryl description

Bridges. Ashokan reservoir. ... Contract 111. September 8, 1916.

Bridges. Ashokan reservoir. ... Contract 111. September 8, 1916.

Picryl description: Public domain image of an arch bridge, stone structure, architecture, free to use, no copyright restrictions.

Organizations. Catskill aqueduct. Division office building at High Falls. Contract 6. July 21, 1909.

Organizations. Catskill aqueduct. Division office building at High Fal...

Picryl description: Public domain image of a residential building, house, 19th-20th century architecture, free to use, no copyright restrictions.

Kensico reservoir. View of old Kensico dam and portion of reservoir before construction opertions began. Contract 9. October 16, 1908.

Kensico reservoir. View of old Kensico dam and portion of reservoir be...

Picryl description: Public domain vintage artistic photograph, free to use, no copyright restrictions image.

Bull Hill tunnel. View showing timbering in place. ... Contract 22. November 5, 1909.

Bull Hill tunnel. View showing timbering in place. ... Contract 22. No...

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

Highways. Part of Kensico reservoir with Cranberry Brook bridge and State highway. Contract 9. October 26, 1916.

Highways. Part of Kensico reservoir with Cranberry Brook bridge and St...

Public domain photograph of historic place, landmark, 19th-century, vintage travel, landscape, free to use, no copyright restrictions image - Picryl description

Esopus cut-and-cover. ... Contract 11. April 7, 1909.

Esopus cut-and-cover. ... Contract 11. April 7, 1909.

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

Organizations. Catskill aqueduct. Mayor George B. McClellan turnig the first sod at Indian brook at the ceremoies celebrating the inauguration of construction work. June 20, 1907.

Organizations. Catskill aqueduct. Mayor George B. McClellan turnig the...

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

Aerators. Ashokan aerator, during construction.  ... Contract 10. August 5, 1914.

Aerators. Ashokan aerator, during construction. ... Contract 10. Augu...

Public domain photograph of construction site, free to use, no copyright restrictions image - Picryl description

Wallkill North cut-and-cover. Typical side-hill construction. ...  Contract 47. October 4, 1910.

Wallkill North cut-and-cover. Typical side-hill construction. ... Con...

Public domain photograph of construction site, free to use, no copyright restrictions image - Picryl description

Elmsford North cut-and-cover. Finished embankment and streets crossing aqueduct. Contract 52. November 27, 1913.

Elmsford North cut-and-cover. Finished embankment and streets crossing...

Public domain scan of a architecture diagram, settlement map, plan, or drawing, free to use, no copyright restrictions - Picryl description.

Peekskill cut-and-cover. View showing succesive steps in aqueduct construction, ...  Contract 2. June 27, 1911.

Peekskill cut-and-cover. View showing succesive steps in aqueduct cons...

Picryl description: Public domain image of a mine, mining, free to use, no copyright restrictions.

City tunnel. Steel diaphragm at tunnel end of drainage drift showing 8-foot opening to drift. ...  Contract 67. September 17, 1914.

City tunnel. Steel diaphragm at tunnel end of drainage drift showing 8...

Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.

Culverts. Elmsford cut-and-cover. View showing drop inlet manhole with protective railing. Contract 52. November 27, 1913.

Culverts. Elmsford cut-and-cover. View showing drop inlet manhole with...

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

Pleasantville  Venturi meter. .. Contract 55.  April 26, 1912.

Pleasantville Venturi meter. .. Contract 55. April 26, 1912.

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

Kensico reservoir. View of dam showing expansion-joint in foreground and down-stream face stepped to receive granite facing. Contract 9. October 29, 1914.

Kensico reservoir. View of dam showing expansion-joint in foreground a...

Picryl description: Public domain image of a construction site, industrial or commercial building, free to use, no copyright restrictions.

Organizations. Ashokan reservoir. Office of Reservoir department at Brown Station. March 1, 1909.

Organizations. Ashokan reservoir. Office of Reservoir department at Br...

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

Rondout pressure tunnel.  Section of tunnel with finished concrete lining in place. Note grout hole in arch key. Contract 12. October 6, 1910.

Rondout pressure tunnel. Section of tunnel with finished concrete lin...

Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.

Ashokan Reservoir. Waste weir and Spillway from Ashokan reservoir. Spillway bridge (Contract 111) with clear span of 175 feet and rise of 25 feet. Contract 3. August 5, 1914.

Ashokan Reservoir. Waste weir and Spillway from Ashokan reservoir. Spi...

Public domain photo of a monument, historic place, free to use, no copyright restrictions image - Picryl description

Camps. Croton Lake pressure tunnel. ... Contract 24. July 26, 1909.

Camps. Croton Lake pressure tunnel. ... Contract 24. July 26, 1909.

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

Boat holes. Wallkill North cut-and-cover. Interior view of aqueduct and boat hole. ... Contract 47. June 19, 1912.

Boat holes. Wallkill North cut-and-cover. Interior view of aqueduct an...

Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.

Camps. Hill View reservoir. ... Contract 30. October 26, 1910.

Camps. Hill View reservoir. ... Contract 30. October 26, 1910.

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

City tunnel. Shaft 20. ... Contract 67. June 11, 1913.

City tunnel. Shaft 20. ... Contract 67. June 11, 1913.

Public domain photograph of the train tunnel, railroad, train track, free to use, no copyright restrictions image - Picryl description

Ashokan Reservoir. View of Olive Bridge dam showing up-stream face. Earth embankment being placed and compacted with steam roller. Contract 3. August 9, 1910.

Ashokan Reservoir. View of Olive Bridge dam showing up-stream face. Ea...

Public domain photograph of construction site, free to use, no copyright restrictions image - Picryl description

Yonkers pressure tunnel. Completed section of standard circular type of tunnel 16 feet 7 inches in diameter. Station-marking tile on left. Contract 54. November 21, 1913.

Yonkers pressure tunnel. Completed section of standard circular type o...

Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.

Kensico reservoir.  East pylon, fountain and cascade basin, showing architectural details. Note arrangement of granite facing. Contract 9. September 20, 1917.

Kensico reservoir. East pylon, fountain and cascade basin, showing ar...

Public domain photo of a monument, historic place, free to use, no copyright restrictions image - Picryl description

Camps. Catskill aqueduct. ... Contract 17. January 20, 1910.

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.  Concrete chamber walls at top of Drainage shaft. ... Contract 12. December 21, 1911.

Rondout pressure tunnel. Concrete chamber walls at top of Drainage sh...

Public domain image of watercolor painting from British-related collections, free to use, no copyright restrictions - Picryl description

Yonkers pressure tunnel. View showing completed grading around Shaft 8. Contract 12. August 23, 1917.

Yonkers pressure tunnel. View showing completed grading around Shaft 8...

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

Ashokan Reservoir.  View of Esopus creek at Olive Bridge dam site, showing coffer -dams and two lines of 8-foot steel pipes for carrying flow of creek. August 8, 1907.

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.

Ashokan Reservoir. View showing concrete core -wall of Middle dike with earth embankment on up-stream side. Contract 3. Decenber 8, 1910.

Ashokan Reservoir. View showing concrete core -wall of Middle dike wit...

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

Camps. Croton Lake pressure tunnel. ... Contract 24. May 6, 1910.

Camps. Croton Lake pressure tunnel. ... Contract 24. May 6, 1910.

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

St. Elmo cut-and-cover. ...  Contract 16. July 26, 1910.

St. Elmo cut-and-cover. ... Contract 16. July 26, 1910.

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. May 18, 1910.

Camps. Ashokan reservoir. .. Contract 3. May 18, 1910.

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

Ashokan reservoir. Inlet from West basin to Dividing Weir gate-house. Falsework for two arches of Ashokan bridge in place. Contracts 3 and 76. October 26, 1914.

Ashokan reservoir. Inlet from West basin to Dividing Weir gate-house. ...

Picryl description: Public domain image of a power station, dam, electric generator, industrial building, free to use, no copyright restrictions.

Wallkill pressure tunnel. View of steel arch forms and concrete platform. ... Contract 47. June 7, 1911.

Wallkill pressure tunnel. View of steel arch forms and concrete platfo...

Picryl description: Public domain image of a chamber, cell, interior, underground vault architecture, free to use, no copyright restrictions.

Kensico Screen chamber. .View of finished interior looking through chamber, ... Contract 55.  January 29, 1914.

Kensico Screen chamber. .View of finished interior looking through cha...

Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.

Ashokan Reservoir. General view of West basin of ashokan reservoir showing Olive Bridge dam and earth wings. Note McClellan triangulation monument in right background. Contract 3. November 3, 1916.

Ashokan Reservoir. General view of West basin of ashokan reservoir sho...

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

Ashokan Reservoir.  General view up-stream from Olive Bridge dam, showing Esopus creek and reservoir basin after clearing. Note Bishop's Falls on left. Contract 72. September 9, 1913.

Ashokan Reservoir. General view up-stream from Olive Bridge dam, show...

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

Kensico reservoir. General view of Kensico dam looking west. Contract 9. May 4, 1916.

Kensico reservoir. General view of Kensico dam looking west. Contract ...

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

Harlem Railroad steel-pipe siphon. ... Contract 68. September 22, 1911.

Harlem Railroad steel-pipe siphon. ... Contract 68. September 22, 1911...

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

Camps. Kensico reservoir. ... Contract 9. July 5, 1910.

Camps. Kensico reservoir. ... Contract 9. July 5, 1910.

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 22, 1908.

Camps. Ashokan reservoir. ... Contract 3. October 22, 1908.

Picryl description: Public domain image of railroad tracks, railway, train car, free to use, no copyright restrictions.

Van Cortland pressure tunnel. ... Contract 30. May 3, 1912.

Van Cortland pressure tunnel. ... Contract 30. May 3, 1912.

Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.

Fences. Typical fence along City's right-of-way. ... Contract 101. September 8, 1913.

Fences. Typical fence along City's right-of-way. ... Contract 101. Sep...

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

Superstructures. Wallkill blow-off chamber. Superstructure of  brick with concrete-stone trimming and reinforced -concrete roof tiles. Contract 117. August 21, 1917.

Superstructures. Wallkill blow-off chamber. Superstructure of brick w...

Public domain photo of a monument, historic place, free to use, no copyright restrictions image - Picryl description

Esopus cut-and-cover. ...  Contract 11. July 21, 1909.

Esopus cut-and-cover. ... Contract 11. July 21, 1909.

Picryl description: Public domain image of a locomotive, train cars, railroad tracks, railway, 19th-20th century, free to use, no copyright restrictions.

Surveys.  Taking cross-section with sunflower instrument in the City tunnel south of Shaft 16 after trimming had been done. March 14, 1913.

Surveys. Taking cross-section with sunflower instrument in the City t...

Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.

Kensico Screen chamber. ... Contract 55. December 13, 1911.

Kensico Screen chamber. ... Contract 55. December 13, 1911.

Picryl description: Public domain image of a construction site, industrial or commercial building, free to use, no copyright restrictions.

Eastview tunnel. View showing forms in place with completed arch and side-wall in foreground. ... Contract 52. april 25, 1912.

Eastview tunnel. View showing forms in place with completed arch and s...

Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.

Ardsley cut-and-cover. Concrete mixing plant. Contract 53. December 7, 1911.

Ardsley cut-and-cover. Concrete mixing plant. Contract 53. December 7,...

Picryl description: Public domain image of a locomotive, train tracks, rail transportation, railroad, railway, 19th-20th century, free to use, no copyright restrictions.

Pleasantville Venturi meter. ... Contract 55. August 22, 1911.

Pleasantville Venturi meter. ... Contract 55. August 22, 1911.

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 10, 1914.

Highways. Ashokan reservoir. ... Contract 151. June 10, 1914.

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

Stone boubdary walls. ... Contract 11. October 20, 1909.

Stone boubdary walls. ... Contract 11. October 20, 1909.

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

Hudson pressure tunnel. Corrugated pipe columns in position at top of Drainage shaft. The three columns not corrugated indicate location of blow-off nozzle. Contract 90. October 20, 1913.

Hudson pressure tunnel. Corrugated pipe columns in position at top of ...

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

Silver Lake reservoir and Richmond conduit. ...  Contract 89. December 9, 1913.

Silver Lake reservoir and Richmond conduit. ... Contract 89. December...

Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.

Superstructures. View of Drainage chamber of Wallkill pressure tunnel. ... Contract 117. July 6, 1916.

Superstructures. View of Drainage chamber of Wallkill pressure tunnel....

Public domain photo of a monument, historic place, free to use, no copyright restrictions image - Picryl description

Peekskill cut-and-cover. ...  Contract 2. June 9, 1910.

Peekskill cut-and-cover. ... Contract 2. June 9, 1910.

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

Ashokan reservoir. Dividing weir with foundation piers for Ashokan bridge. West basin and Winchell hill at right and Discharge channel to East basin at left. Contract 3. October 26, 1914.

Ashokan reservoir. Dividing weir with foundation piers for Ashokan bri...

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 Influent Weir. View of Influent weir and chamber. To divert water from reservoir the gates in the chamber are opened and water flows into Kensico by-pass. Contract 55, September 20, 1917.

Kensico Influent Weir. View of Influent weir and chamber. To divert wa...

Public domain photograph of historic place, landmark, 19th-century, vintage travel, landscape, free to use, no copyright restrictions image - Picryl description

Borings. Dimond drill mounted on platform at Hudson Pressure Tunnel crossing of the Hudson river. June 26, 1908.

Borings. Dimond drill mounted on platform at Hudson Pressure Tunnel cr...

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

Organization. City tunnel. Mayor John Purroy Mitchel switching on current to celebrate the excavation of the last heading of the City tunnel. Contract 65. Junuary 12, 1914.

Organization. City tunnel. Mayor John Purroy Mitchel switching on curr...

Public domain photograph of the train tunnel, railroad, train track, free to use, no copyright restrictions image - Picryl description

Yonkers pressure tunnel.  Contract 54. September 25, 1914.

Yonkers pressure tunnel. Contract 54. September 25, 1914.

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

Wallkill blow-off. ... Contract  61. July 22, 1914.

Wallkill blow-off. ... Contract 61. July 22, 1914.

Public domain image of an arch structure, bridge, historic place ruins, classical architecture, free to use, no copyright restrictions - Picryl description

Aerators. General view showing Ashokan aerator, Gaging chamber, Screen chamber and Lower gate-chamber. Contract 10. May 25, 1916.

Aerators. General view showing Ashokan aerator, Gaging chamber, Screen...

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

Camps. Croton Lake pressure tunnel. ... Contract 24. May 6, 1910.

Camps. Croton Lake pressure tunnel. ... Contract 24. May 6, 1910.

Public domain photograph of mountains, winter, snow, free to use, no copyright restrictions image - Picryl description

Ashokan Reservoir.  Placing first concrete block on down-stream face of Olive Bridge dam. Note grouting machine at work in middle ground. Contract 3. October 18, 1908.

Ashokan Reservoir. Placing first concrete block on down-stream face o...

Picryl description: Public domain image of a construction site, works, 20th-century industrial architecture, free to use, no copyright restrictions.

Ashokan Reservoir.  View at site of Olive Bridge dam, showing coffer-dam and piers under construction for supporting the 8-foot pipes to carry the flow of water in Esopus creek. May 18, 1907.

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

Wallkill pressure tunnel. View showing chamber over Shaft 1 with completed grading. Contract 47. June 19, 1912.

Wallkill pressure tunnel. View showing chamber over Shaft 1 with compl...

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

Wallkill pressure tunnel. View showing full-section steel forms in place. The concrete is placed in one operation. Contract 47. June 8, 1911.

Wallkill pressure tunnel. View showing full-section steel forms in pla...

Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.

Wallkill blow-off. ... Contracts 61 and 107. August 21, 1917.

Wallkill blow-off. ... Contracts 61 and 107. August 21, 1917.

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

Borings. Testing porosity of rock on site of Rondout pressure tunnel. June 7, 1907.

Borings. Testing porosity of rock on site of Rondout pressure tunnel. ...

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

Ashokan Reservoir.  Up-stream face of masonry portion of Olive Bridge dam. Note temporary opening for flow of  Esopus creek. Contract 3. November 19, 1909.

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.

Bonticou tunnel. Erecting steel area arch forms for concreting. .. Contract  47. April 12, 1911.

Bonticou tunnel. Erecting steel area arch forms for concreting. .. Con...

Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.

Catskill aqueduct. ... Contract 94. April 28, 1915.

Catskill aqueduct. ... Contract 94. April 28, 1915.

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. Waste water is carried through channel to Esopus creek, two miles below Olive Bridge dam. Contract 3. June 18, 1912.

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  Delaware railroad and water in East basin of reservoir. Contract 60. June 25, 1916.

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 grade tunnel, in Putnam county, N.Y. Contracat 109. August 29, 1916.

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.

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.

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 aqueduct to Downtake shaft. .. Contract 47. June 19, 1912.

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.

Previous

of 4

Next