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catskill

construction

new york

new york n y board of water supply compiler

new york public library

new york state

science industry and business library general collection

water supply

photographs of the catskill water supply system in process of construction

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302 media by topic ∙ page 1 of 4
Aerators. View looking towards Ashokan Screen chamber showing aerator with all nozzles in operation with a flow of 376 million gallons daily. Contract 10. June 18, 1917.

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.

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 walls partly comleted and pipes and special castings in place. Contract 89. October 15, 1914.

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.

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 dam in progress. Note wooden flume for controlling water of Bronx river. Contract 9. July 30, 1912.

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. .... Contract 47. November 9, 1911.

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.

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-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. View of Olive Bridge dam just after removal of the stream-control pipes. Stream flowing through temporary conduit in dam. Contract 3. December 5, 1908.

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.

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.

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. ... Contract 12. April 21, 1911.

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 core-wall dumping material which is spread and then rolled. Contract 60. October 13, 1910.

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 Olive Bridge dam. At right, note the placing and compacting of earth embankment on the up-stream side. Contract 3. June 21, 1910.

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 of dam foundation. Contract 9. March 28, 1913.

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 blast to connect East and West headings. In group, left to right, are Consulting Engineer John R. Freeman, Commissioner Charles Strauss, Chief Engineer J. Waldo Smith, Mayor Willian J. Gaynor and Commissioner John F. Galvin. Contract 90. January 30, 1912.

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.

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.

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.

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.

Highways. Ashokan reservoir. ... Contract 151. October 26, 1914.

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Yonkers pressure tunnel. Contract 54. November 21, 1913.

Yonkers pressure tunnel. Contract 54. November 21, 1913.

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Surveys. Precise measuring and leveling on the side of Storm King mountain. May 10, 1907.

Surveys. Precise measuring and leveling on the side of Storm King mou...

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Highways. Ashokan reservoir. ... Contract 151. June 9, 1914.

Highways. Ashokan reservoir. ... Contract 151. June 9, 1914.

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Borings. Hand core-boring rig at work on line of Wallkill pressure tunnel. August 31, 1906.

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 Lower gate-chamber. Contract 10. September 19, 1913.

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.

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 of masonry section. Stone crusher and concrete mixing plant in left background. Contract 3. June 21, 1910.

Ashokan Reservoir. View of Olive Bridge dam showing down-stream face o...

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Wallkill North cut-and-cover. Interior of conpleted section of aqueduct. Contract 47. June 20, 1912.

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 top of which is located the relocated Ulster and Delaware Railroad tracks. Contract 60. April 28, 1914.

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 19, 1910.

Police. Broadhead, N.Y. Patrolmen-on-Aqueduct. General inspection. May...

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

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 masonry; cableways move derricks and other articles of plant. Contract 9. May 28, 1914.

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 concrete in side-walls and arch in background. ... Contract 54. May 1, 1912.

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 portion of Olive Bridge dam. Note grout pipes extending from concrete. Contract 3. October 3, 1908.

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, 1913.

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.

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. Contract 52. April 25, 1912.

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.

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 Kensico dam and contractor's plant. Old dam at right of center and flume for controlling water of Bronx river. Contract 9. March 28, 1913.

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 bottom of East basin. ... Contract 30. June 25, 1914.

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.

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 junction of shaft and tunnel. Contract 12. April 21, 1911.

Rondout pressure tunnel. View of foot of shaft showning 90-degree junc...

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Kensico reservoir. View showing expansion-joints of Kensico dam spaced abour 79 feet apart. Note cut-off trench in right foreground with drainage gallery above. Contract 9. September 9, 1914.

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.

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 of Hudson river. Shaft sunk by Board of Water Supply forces. April 27, 1910.

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.

Wallkill pressure tunnel. ... Contract 47. May 25, 1910.

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Bryn Mawr blow-off. ... Contracts 68 and 79. May 10, 1912.

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 placing concrete with travelling derricks. Contract 9. October 30, 1913.

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 recovered from holes along the line of the City tunnel. .. November 12, 1909.

Borings. Boxes containing 1-inch, 1 3/4 -inch and 3-inch cores recover...

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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 ...

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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...

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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 ...

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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

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.

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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...

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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...

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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...

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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.

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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. ...

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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.

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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...

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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 ...

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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.

Hudson pressure tunnel. Intrerior of temporary superstructure over Drainage shaft showing gas-engine hoist and switchboard on right, ... Contract 90. August 31, 1914.

Hudson pressure tunnel. Intrerior of temporary superstructure over Dra...

Picryl description: Public domain image of an industrial equipment, workshop, assembly line, factory, power engine, 19th-20th century, free to use, no copyright restrictions.

Wallkill pressure tunnel. End view of section of concrete lining with invert laid in foreground. Erection forms in progress in background. Contract 47. April 11, 1911.

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. October 16, 1908.

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.

Camps. Ashokan reservoir. ... Contract 3. July 27, 1908.

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Camps. Ashokan reservoir. ... Contract 3. October 30, 1908.

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 shaft showing method of stressing anchor-bolts. Contract 90. February 19, 1914.

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 Bridge dam at celebration of the storag of water in Ashokan reservoir. Contract 3. October 11, 1913.

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 policemen in 'columns of fours'. September 15, 1914.

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.

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.

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 walls. Contract 47. August 23, 1917.

Bonticou grade tunnel. South portal completed. Note stone boundary wa...

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Yorktown South cut-and-cover. Aqueduct completed. ... Contract 23. August 21, 1916.

Yorktown South cut-and-cover. Aqueduct completed. ... Contract 23. A...

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Bonticou tunnel. Competed trimming of tunnel shown in foreground. ... Contract 47. June 9, 1911.

Bonticou tunnel. Competed trimming of tunnel shown in foreground. ... ...

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

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