Photograph from Scientific American, February 5, 1898. This photograph from Scientific American shows the end result of the first phase of constructing the New Croton Dam—diverting the natural flow of the Croton River in order to dig the gigantic

This detailed engraving shows the New Croton Dam when it was under construction in 1896. The image was commissioned for the cover of the October 17th issue of Scientific American magazine to accompany an article entitled “New York Water

New Croton Dam Construction, 1896 A detailed engraving from the October 17, 1896 Scientific American depicting the New Croton Dam construction. According to Christopher Tompkins, author of The Croton Dams and Aqueduct, this image is "especially noteworthy for its accuracy…

New Croton Dam Construction, 1896 A detailed engraving from the October 17, 1896 Scientific American depicting the New Croton Dam construction. According to Christopher Tompkins, author of The Croton Dams and Aqueduct, this image is "especially noteworthy for its accuracy…

New Croton Dam Construction, 1896 A detailed engraving from the October 17, 1896 Scientific American depicting the New Croton Dam construction. According to Christopher Tompkins, author of The Croton Dams and Aqueduct, this image is "especially noteworthy for its accuracy…

This map and graph were published in the May 23, 1908 issue of Scientific American . They show the locations of the different reservoirs within the Croton watershed after the New Croton Dam was completed and their relative elevations. Click the…

Diverting the Croton River A photograph from Scientific American dated February 5, 1898, documents the initial phase of New Croton Dam construction—redirecting the Croton River's natural flow to create the excavation site for the dam's foundation. The…

Diverting the Croton River A photograph from Scientific American dated February 5, 1898, documents the initial phase of New Croton Dam construction—redirecting the Croton River's natural flow to create the excavation site for the dam's foundation. The…

Croton Aqueduct Watershed, 1908 A map and graph from the May 23, 1908 issue of Scientific American illustrating reservoirs within the Croton watershed system following completion of the New Croton Dam, with their relative elevations. Date: Various Source: crotonhistory.org…

…Bridge partially demolished for conversion to siphon New York City’s Landmarks Law establishes Landmarks Preservation Commission 24 1968 Scientific American editorial says proposed High Bridge demolition is “an act of vandalism without precedent in the history of our country…

…A set of planks used to form a dam in a hydraulic system. In the New Ossining Weir, stop planks were used to completely block the flow of water in the aqueduct tunnel. Tweed, William “Boss”: An American politician most…

…Jervis, An American Engineering Pioneer. Ames, Iowa; Iowa State University Press, 1990. figure 19: Possibly by John B. Jervis. Elevation of Regulating Gates at Croton Dam, c.1841, watercolor and ink on paper Courtesy Jervis Public Library, drawing #189 (different…