…from the Croton Dam to Sing Sing, compelling those who were willing to work to join them, until they amounted to a crowd of several hundred. By April 10, Engineer Assistant Horatio Allen wrote a letter to Jervis from Sing…

…For instance, in June 1837, Jervis* monthly report to the Water Commis- sion recounted widespread complaints from landowners near Dobbs Ferry, requiring they "suspend [work] for the present."" Similarly, Jervis' brother William (a resident assistant engineer) wrote to him from…

…Jervis appointed Chief Engineer of Croton Aqueduct project Photography invented Old Croton Aqueduct completed (includes structures such as Old Ossining Weir, Archville Bridge, Murray Hill Reservoir, Yonkers Weir, West Burnside Avenue Bridge, Sing Sing Kill Bridge, Ventilators, Clendening Valley Crossing…

…Chief Engineer Jervis arrived within a few hours, evaluated the damage, and reported to the Water Commissioners. Jen/is tersely conclud- ed, "It appears three lives were lost one at the dam and two at Bailey's wire factory."^'' While…

…Jervis appointed Chief Engineer of Croton Aqueduct project Photography invented Old Croton Aqueduct completed (includes structures such as Old Ossining Weir, Archville Bridge, Murray Hill Reservoir, Yonkers Weir, West Burnside Avenue Bridge, Sing Sing Kill Bridge, Ventilators, Clendening Valley Crossing…

…Untitled Survey of Farmland, c.1835, ink on paper Courtesy Jervis Public Library, drawing #291. Photo: G. R. Farley Bailey, situated on the hanks of the Croton which it instantly carried away, together with their dwelling houses and tenant houses…

…the Croton. The Common Council agreed with the basic outline of the plan and submitted it to a public referendum where it easily carried. On May 7, 1835, the Council authorized a loan and appointed a chief engineer. Major Douglass…

…go...They were interested in things like the stone sides of the aqueduct, the fact that John Jervis, who was the chief engineer, and his predominantly Irish workmen put stones along the outside of the aqueduct...The aqueduct was built…

…Douglass was employed as Chief Engineer; he proceeded in the location of the line for the Aqueduct and in preparing plans, until October, 1836, when he was succeeded by John B. Jervis, who continued at the head of that department…

…the knowledge of the chief engineer, Mr. Jervis, and on his professional skill and fidelity, that * Duten's Histoire de la navigation interieure de la France, p. 566, 7, vol. i. Paris 1829. CROTON AdUEDUCT. the very first estimate he…

…Jervis, that he suggested as a temporary expedient, the laying down pipes along the coffer dam in the river, through which the Croton water might be conducted to the New York shore. The Commissioners repeat this suggestion without expressing an…

…French & Hastie, by means of a boat floating through the aqueduct, between the Croton Dam and Harlem River. Some unimportant defects were discovered inside the aqueduct, a short time before the water was shut off, and two small leaks ap…

…JERVIS, Chief Engineer, N. Y. W. W. 172 MEMOIR OF THE The Commissioners, for all sufficient reasons, preferred the high bridge to the tunnel, and without having in any degree changed their own views, as to the superiority of the…