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NavSource Online: Battleship Photo Archive

USS MAHOPAC


Canonicus Class Monitor: Displacement: 1,034 tons. Dimensions: 225 x 43.8 x 13.6 feet. Propulsion: Ericsson VL engines, 2 boilers, 320 hp, 1 shaft, 7 knots. Crew: 85. Armor: Iron: 3-5 inch sides, 1 inch deck, 11 inch turret. Armament: 1 dual turret with 2x15 inch Dahlgren smoothbore.

Operational and Building Data: Mahopac, built by Perine, Secor & Co. at Joseph Coldwell, Jersey City, NJ. Contracted 15 September 1862, launched 14 October 1863, commissioned 6 June 1864. Operated in the Gulf of Mexico, including attacks on Mobile. Decommissioned to reserve August 1865. Renamed Neptune, 15 June 1869, then Manhattan, 10 August 1869. Prepared for service at Philadelphia 1872-1873, recommissioned 19 November 1873. Was inactive after June 1877, but actual date of decommissioning is unknown.
Fate: Stricken for disposal 14 December 1901; sold for scrapping 24 March 1902.
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CANONICUS 81k Fort Fisher operation, December 1864 -- January 1865. Lithograph by Endicott & Company, New York, circa 1865, entitled "Monitor Iron-Clads and the New Ironsides, Forming part of the Fleet of Rear Admiral D.D. Porter, U.S.N. riding out a Gale of Wind, at Anchor off Fort Fisher, Coast of North Carolina, December 21, 1864." The print is dedicated by the publisher to Assistant Secretary of the Navy Gustavus V. Fox. Monitors in the foreground and middle distance are (from left to right) Monadnock (twin-turret), Canaonicus, Mahopac and Saugus. Ships in the distance (from left to left-center) are: Brooklyn, New Ironsides, Juniata, Tacony and Malvern. Collection of President Franklin D. Roosevelt, April 1936. U.S. Naval Historical Center Photograph # NH 42241.
CANONICUS 69k Fort Fisher operation, December 1864 -- January 1865. 19th-Century painting, by an unidentified artist, depicting U.S. Navy ironclads bombarding Fort Fisher during one of the two assaults that ended in its capture. Twin-turret monitor in the center foreground is Monadnock. Large broadside ironclad beyond is New Ironsides. The three single-turret monitors are Canonicus, Mahopac and Saugus. Presented by Albert Rosenthal, January 1935. U.S. Naval Historical Center Photograph # NH 42240.
SANGAMON 120k Federal ironclads in Trent's Reach, James River, Virginia photographed circa early 1865. Nearest ship is Saugus, with a mine sweeping "torpedo rake" attached to her bow. Next monitor astern is probably Sangamon. Visible just to the right of her is either Mahopac or Canonicus. Last two ships are Atlanta and Onondaga. Photographed by the Matthew Brady organization. Note the log boom across the river in the foreground and the signal tower atop the hill in the right distance. Photograph from the Collections of the U.S. National Archives. U.S. Naval Historical Center Photograph # NH 111-B-80.
MANHATTAN 102k Mahopac officers on deck, probably on the James River in the spring of 1865. Note gun port covers hung on the monitor's turret, apparent shot hole in the bullet-proof iron screen at the turret top, and bell on the turret side. Photographed by the Matthew Brady organization. The original negative is # 111-B-418 in the National Archives. U.S. Naval Historical Center Photograph. USNHC # NH 59428.
MANHATTAN 44k Mahopac in the Appamatox river, circa 1865. USN photo courtesy of DANFS.
SAUGUS 118k Washington Navy Yard, District of Columbia. View looking south from Building # 1, showing the trophy gun park in the foreground, with coal piles and the sheer crane beyond, circa 1866-69. Most of the guns visible are former Confederate pieces, many of which were still on exhibit at the Washington Navy Yard in the year 2001. The monitors Mahopac (center) and Saugus (right) are laid up in the Anacostia River, in the background, with their turrets still painted as they were in 1864-65. Courtesy of Robert A. Truax, 1978. U.S. Naval Historical Center Photograph # NH 1473-A.
MONTAUK 89k Four monitors laid up in the Anacostia River, off the Washington Navy Yard, circa 1866. Ships are (from left to right): Mahopac, Saugus, Montauk (probably); and either Casco or Chimo. Photo mounted on a stereograph card, marked: "Photographed and published by Kilburn Brothers, Littleton, N.H.". Courtesy of Paul H. Silverstone, 1982. U.S. Naval Historical Center Photograph # NH 93868.
SAUGUS 134k Washington Navy Yard, District of Columbia. Washington Navy Yard, D.C. View looking eastward along the waterfront from atop the roof of the western shiphouse, June 1866. The 11th Street bridge and the Anacostia shore are in the distance. Ships in the stream at right include three monitors and a former Confederate torpedo boat of the large David type. Monitor to the left in that group is either Chimo or Casco. The other two are Mahopac (center of group) and Saugus (to right). The ex-CSS Stonewall is anchored in the river, in the center of the view. Half visible on the marine railway (at left) is a "double-ender" gunboat, probably Ascutney. Dismasted screw steamer alongside the waterfront in center may be Marblehead. Ship in right foreground, alongside the masting sheers, may be Resaca. The experimental firing battery is just beyond the shiphouse, in the left center foreground, flanked by what appears to be a ship's smokestack on one side and a mortar and a shot pile on the other. Photographed by Brady & Company, Washington, D.C. U.S. Naval Historical Center Photograph # NH 57928.
(NISMF)376kA guest studies a painting depicting the history of battleships. The artwork was painted by George Skybeck and presented to the Pearl Harbor Survivors Association during their annual banquet at Honolulu, Hawaii, on 8 December 1991. USN photo # DN-SC-92-05391, by PHC Carolyn Harris, from the Department of Defense Still Media Collection, courtesy of dodmedia.osd.mil.

USS MAHOPAC History
View This Vessels DANFS History Entry
(Located On The Hazegray & Underway Web Site, This Is The Main Archive For The DANFS Online Project.)

Crew Contact And Reunion Information
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Additional Resources
Hazegray & Underway Battleship Pages By Andrew Toppan.

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