…is a view taken from a point below the dam and shows the relative positions of the dam and the gate chamber at the head of the Aqueduct. The original channel of the River where the dam is built, X…

…This dam was proposed to be built about 2 feet above the level of high tide, thereby keeping all the salt water below ; and above the dam would be the fresh water for supplying the city, which must be pumped…

distance of about three miles carrying away m its course, Quaker bridge, Holman 's mills, and the old piers of the old Croton bridge.... All the bridges below the dam were carried away, and above the dam. Pines Bridge, and…

…Current Designation(s) Sign MUSCOOT DAM 1905 Plate 15-, New Croton Aqueduct Current Designation(s) MILL RIVER WASTE WEIR 1837-1841 Plate 22-6, Old Croton Aqueduct Spanning a depression 72 feet below grade, the Mill River Culvert’s 172…

…Ogee Shape of the Weir Overflow figure 25. below left: Lt. Theophilus Schramke. Croton Dam Design — Cross Section of Ogee Curve, engraving In Description of the Sen' York Croton Aqueduct in English, German and French, 1846 Courtesy William Lee Frost…

…Type Significance(s) Interpretation Sign Current Designation(s) Interpretation Current Designation(s) AMAWALK GATEHOUSE 1889-1896 Plate 9-, New Croton Aqueduct Located south of the main dam, the gatehouse receives water from the tower and sends it to the fountain…

…The water is set back at this place by a dam for a mill a short distance below, giving the stream an appearance of more magnitude than it really possesses. This point is 25 miles from the dam. The wall…

…This secondary dam is formed of round timber, brush wood, and gravel ; it may be seen in the picture directly under the bridge which extends across below the main structure. On the upstream side of the masonry of the dam…

…The bottom of the water-way of the Aqueduct at the gate chamber where it enters the Receiving Reservoir, is 7.86 feet below the level of top water line in the Reservoir, thus when the Reservoir is full the…

dam, an em- bankment of earth is filled in, extending 275 feet from the masonry at the base, and extending from the masonry with a slope of 1 foot in 5 on the top. The whole work about the dam…

…All the bridges below the dam were carried away, and above the dam. Pines Bridge, and we are informed Wood's Bridge also — leaving no crossing over the Croton from its mouth to Golden's bridge ....■^^ The newspaper account provides…

…Old Croton Aqueduct Residing 105 feet below the Old Croton Aqueduct’s grade, Manhattan Valley, two miles south of High Bridge, was traversed by an inverted siphon of cast iron pipes. MIDDLE BRANCH DAM 1874-1878 Plate 4-, New Croton…

…much below on the other (figure 13). No great varia- tion would have been possible. Jervis also concurred with the loca- tion of the dam at Garretson's Mill, seven miles upstream from the Croton's junction with the Hudson…

…11 COAL WHARF c 1890s (Demolished) Plate 29, New Croton Aqueduct Type A wharf on the Harlem River below Shaft Number 25 that received coal shipments to power the engines in the pump house and Shaft Number 25. Type Significance…

…a bed 40 feet below the Old Croton Aqueduct conduit. 42 Sign Current Designation(s) TITICUS DAM 1890-1895 Plate 7-, New Croton Aqueduct The Titicus Dam stretches 1,519 feet. The masonry portion, including the spillway, is 732 feet…

…Tower, View above the Croton Dam, From Illustrations of the Croton Aqueduct, 1843 Engraved by William James Bennett; 5V2X 10 V2 Inches (Image) Ossining Historical Society Museum Fayette B. Tower, View below the Croton Dam, From Illustrations of the Croton…

…the dam. This stream enters the Hudson River about two miles below Tarrytown. The distance from the mouth of the stream to the line of Aqueduct is only a quarter of a mile. Plate XVI. is a view of the…

…ley, which is about 35 miles from the Croton dam. This valley is four fifths of a mile wide where the Aqueduct meets it, and the depression is 102 feet below the plane of Aqueduct grade. Here was an opportunity…

…the arch to a series of brick arches just below the line of the Aqueduct. Thus, any water leaking from the Aqueduct would pass into the void area and exit from the masonry work before it could do any dam…

…At the place where it was determined to build the dam across the Croton River, the surface of the natural flow of water was about 38 feet below the elevation required as a head for the water to flow into…

…Old Croton Dam: Completed by John B. Jervis in 1842, but later submerged underwater after the construction of the New Croton Dam in 1905; Now located about thirty feet below the water's surface in the new dam. P Panic…

…The Great Fire of 1835 and the cholera epidemic of 1832 (a victim of whom is illustrated below) were two of the most catastrophic instances of these periodic phenomena; occurring on the eve of the construction of the Croton system…

…of the hill against which the masonry of the dam is built, a distance of over 200 feet. This tunnel descends into the Reservoir, so that the centre of it at the mouth is about 12 feet below the sur…

…Like the railroad, the construction of the Croton and New Croton Dams and the New Croton Aqueduct played an important role in shaping Croton-on-Hudson’s development. Construction began on the Croton Dam in 1837 after several water crises…

…Culvert, ------ 90 Tunnel and Gate Chamber at the head of the Aqueduct, - - 92 View above the Croton Dam, ------ 95 Entablature over the entrance to the Aqueduct, - 96 View below the Croton Dam, ------ 98 Croton Aqueduct at Sing-Sing, - - - - - 101 Aqueduct…

miles from the Croton Dam. This valley is 1900 feet across, and the Aqueduct is supported upon a foundation wall of dry stone work having the face laid in mortar, except over three streets where bridges are built, having an…

…Farley figure 15, below: Robert Havell. Jr., View of Croton Dam. engraved by Henry Jordan & Frederick Halpin, frontispiece from Charles King's A Memoir of the Construction, Costs and Capacity of the Croton Aqueduct .... New York. 1843 The Hudson River…

completed in 1890 and the New Croton Dam, designed to meet the ever-increasing demands for fresh water from New York City, was completed in 1907 after 15 years of construction. Construction of New Croton Dam, 1901 Source: History of…

…Steinberg, "Dam Breaking in the 19th Century Merrimack Valley: Water, Social Conflict, and the Waltham Valley," The Journal of Social History v.24 (Fall 1990). #1, 31. The argument is more fully developed in Steinberg's Nature Incorporated: Industrialization and…

…Farley Kemp Inverted siphons As indicated, it is possible to carry an aqueduct below the hydraulic grade line, which is the free surface of the water, diverting it Into pipes which can descend into valleys and rise on the other…