Ashokan Reservoir. View showing concrete core-wall of North wing of Ol...
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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...
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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.
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Yonkers pressure tunnel. Contract 54. November 21, 1913.
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Surveys. Precise measuring and leveling on the side of Storm King mou...
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Highways. Ashokan reservoir. ... Contract 151. June 9, 1914.
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Borings. Hand core-boring rig at work on line of Wallkill pressure tun...
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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...
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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...
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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.
Saqqieh., Egypt - Egypt
Public domain image of Egyptian art, free to use, no copyright restrictions photo - Picryl description
Crib, Chicago waterworks. Chicago Stereoscope Card Collection
Public domain photo of a monument, historic place, free to use, no copyright restrictions image - Picryl description
Chicago waterworks. Chicago Stereoscope Card Collection
Public domain image of a historic building, free to use, no copyright restrictions - Picryl description
High Bridge. New York. New York Sterecope Card.
Picryl description: Public domain image of an arch bridge, stone architecture, free to use, no copyright restrictions.
North side waterworks. Chicago Stereoscope Card Collection
Public domain image of a historic building, free to use, no copyright restrictions - Picryl description
Wallkill cut-and-cover. ... Contract 47. July 21, 1910.
Picryl description: Public domain image of a quarry, excavation or mining site, free to use, no copyright restrictions.
Wallkill North cut-and-cover. Beginning concrete arch over completed i...
Picryl description: Public domain vintage artistic photograph, free to use, no copyright restrictions image.
Wallkill North cut-and-cover. Completed portion of aqueduct in Freer c...
Picryl description: Public domain image of a quarry, mine, excavation, or mining site, free to use, no copyright restrictions.
Highways. Ashokan reservoir. ... Contract 151. August 5, 1914.
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Police. Kensico, N.Y. Patrolmen-on-Aqueduct. Superintendent George F. ...
Picryl description: Public domain image of war, military conflict, infantry, 19th-20th century, free to use, no copyright restrictions.
Wallkill pressure tunnel. Concrete for walls of chamber over Drainage...
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Ashokan Reservoir. View of down-stream face of Olive Bridge dam. Compl...
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Borings. Diamond drill making exploratory borings at Beaver Kill. Febr...
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Ashokan Reservoir. View of Olive Bridge dam from down-stream side of S...
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Kensico reservoir. General view of Kensico dam and reservoir with poo...
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Boat hole. Boat hole (steel cover) at north end of the St. Elmo siphon...
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Rondout pressure tunnel. View looking up incline to platform from whic...
Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.
Kensico reservoir. Valves and piping and concrete forms for blow-off i...
Picryl description: Public domain image of a construction site, industrial or commercial building, free to use, no copyright restrictions.
Ashokan Reservoir. Uppper gate-chamber from East Inlet channel. Upper ...
Picryl description: Public domain image of a romantic landscape with ruins, historical building, classical architecture, free to use, no copyright restrictions.
Camps. Catskill aqueduct. .. Contract 17. January 20, 1910.
Public domain photograph of office, auditorium, free to use, no copyright restrictions image - Picryl description
Highways. Ashokan reservoir. ... Contract 151. August 5, 1914.
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Fences. Typical fence along City's right-of-way. ... Contract 101. Sep...
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Ashokan Reservoir. View of Olive Bridge dam looking up-stream, just b...
Public domain photograph of train tracks, railroad works, construction workers, free to use, no copyright restrictions image - Picryl description
Orange cut-and-cover. ... Contract 17. April 29 , 1910.
Picryl description: Public domain image of a locomotive, train tracks, rail transportation, railroad, railway, 19th-20th century, free to use, no copyright restrictions.
Organization. City tunnel. Celebration ceremonies attending the holing...
Public domain photograph of the train tunnel, railroad, train track, free to use, no copyright restrictions image - Picryl description
Saracenic fountain on the aqueduct from Solomon's Pools. The causeway...
Public domain illustrated book page scan, related to Egypt, free to use, no copyright restrictions image - Picryl description
West side waterworks, Ashland Avenue and 2nd [?] Street.
Public domain image of a historic building, free to use, no copyright restrictions - Picryl description
North side waterworks. Chicago Stereoscope Card Collection
Public domain image of an industrial building, factory, structure, works, 19th-20th century industrial revolution, free to use, no copyright restrictions - Picryl description
Croton Dam, on the Croton River, N.Y.
New York State stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker w... More
Millwood North cut-and-cover. ... Contract 25. June 7, 1910.
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Yonkers pressure tunnel. Steel ribs for concrete forms, made up of 5-i...
Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.
Rondout pressure tunnel. View of head-frame and cage with muck car at ...
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Yonkers pressure tunnel. Structural-steel interlining before the conc...
Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.
Hudson pressure tunnel. View of Drainage shaft showing completed steel...
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Silver Lake reservoir. View showing Middle Dike roadway, parapets and...
Public domain photograph of 19th-century vintage card, free to use, no copyright restrictions image - Picryl description
Organization. View of keeper's house at the Kensico reservoir. Contrac...
Picryl description: Public domain vintage artistic photograph, free to use, no copyright restrictions image.
Rondout pressure tunnel. Head-frame, hoisting engine and bucket at to...
Public domain photograph of industrial architecture, factory building, free to use, no copyright restrictions image - Picryl description
Kensico Influent Weir. Completed Influent weir and partially completed...
Picryl description: Public domain image of a dam, cascade, water stream, waterfall, free to use, no copyright restrictions.
Mekeel tunnel. View showing steel forms in place for concrete lining. ...
Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.
Ashokan reservoir. View showing construction of Dividing weir with gat...
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Ashokan Reservoir. Dumping earth from cableway for embankment of the W...
Public domain photograph of electric wires, power line, free to use, no copyright restrictions image - Picryl description
Superstructures. View of Lower gate-chamber superstructure of concrete...
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Surveys. Precise tape measurements on ice across the Hudson river bet...
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Sarles tunnel. Completed trimming of tunnel shown in foreground. .. Co...
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Rondout pressure tunnel. Construction of Downtake chamber at junction...
Picryl description: Public domain image of a bridge, railroad structure, train viaduct, free to use, no copyright restrictions.
Hill View Reservoir. Spreading and rolling earth to form special imper...
Picryl description: Public domain image of military vehicle, automobile, tractor truck, free to use, no copyright restrictions.
City tunnel. View of drainage drift showing section of steel interlini...
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Camps. Rondout pressure tunnel. ... Contract 12. July 21, 1910.
Public domain image of a romantic ruins landscape, classical architecture, free to use, no copyright restrictions - Picryl description
Wallkill pressure tunnel. Work of screeding concrete of invert in prog...
Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.
Moodna pressure tunnel. View at top of Shaft 7. Hudson river about 150...
Public domain photograph of the train tunnel, railroad, train track, free to use, no copyright restrictions image - Picryl description
Hudson pressure tunnel. View showing Drainage shaft with corrugated pi...
Public domain photograph of industrial architecture, factory building, free to use, no copyright restrictions image - Picryl description
Organization. Catskill aqueduct. Chief Engineer and consulting enginee...
Public domain photograph of the board of directors, managers, group of men, portrait, office, committee, free to use, no copyright restrictions image - Picryl description
Bridges. Ashokan reservoir. ... Contract 76. April 7, 1916.
Picryl description: Public domain image of an arch bridge, stone structure, architecture, free to use, no copyright restrictions.
Highways. Ashokan reservoir. ... Contract 151. August 5, 1914.
Picryl description: Public domain image of military vehicle, automobile, tractor truck, free to use, no copyright restrictions.
Ashokan Reservoir. Down-stream face of Olive Bridge dam with concretin...
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Rondout pressure tunnel. View of drainage drift with completed concret...
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Bridges. Ashokan reservoir. ... Contract 49. June 24, 1916.
Picryl description: Public domain vintage artistic photograph, free to use, no copyright restrictions image.
Grassy Sprain Cut-and-cover. Preliminary clearing before excavation. C...
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. General view of excavation and foundation for Kensi...
Picryl description: Public domain image of a construction site, works, 20th-century industrial architecture, free to use, no copyright restrictions.
Rondout pressure tunnel. Columns set up with drills ready to operate ...
Picryl description: Public domain image of a basement, underground, lobby, free to use, no copyright restrictions.
Silver Lake reservoir. Panorama view of Silver Lake before constructio...
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Camps. Ashokan reservoir. ... Contract 3. October 22, 1908.
Public domain photograph of a house, cottage, free to use, no copyright restrictions image - Picryl description
Ashokan Reservoir. View of up-stream face of Olive Bridge dam showing ...
Public domain photograph of industrial architecture, factory building, free to use, no copyright restrictions image - Picryl description
Wallkill pressure tunnel. View showing details of steel forms for conc...
Public domain photograph of the train tunnel, railroad, train track, free to use, no copyright restrictions image - Picryl description
Military uniforms: Austria, Fuhrwesen
The collection by the Dutch physician H. J. Vinkhuijzen (1843-1910). 19th-century European infantry.
[Small building on the edge of a lake, possibly a gatehouse for a wate...
Public domain photo of a monument, historic place, 19th century, free to use, no copyright restrictions image - Picryl description.
Map of the route of the new Croton Aqueduct, present aqueduct and Bron...
Public domain scan of a railway map, transportation, industrial development, free to use, no copyright restrictions - 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 ...
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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...
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Bridges. Kensico reservoir. ... Contract 9. May 2, 1911.
Picryl description: Public domain vintage artistic photograph, free to use, no copyright restrictions image.