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

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…