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NavSource Online: Army Ship Photo Archive

USED Dredge Henry Flad

International Radio Call Sign:
Whiskey - Yankee - Charlie - Hotel
Self-Propelled Sidewheel Cutterhead Pipeline Dredge:
  • Laid down, 1901 at Rippley Boat Co., Grafton IL.
  • Launched in 1901
  • Delivered in 1901
  • Christened, Commissioned placed in service as USED Dredge Henry Flad
  • Assigned to US Army Corp of Engineers Memphis District
  • Rebuilt in 1931
  • Henry Flad worked on the Mississippi River
  • Placed out of service, date unknown
  • Final Disposition, fate unknown
    Displacement 955 T.
    Length 199'
    Beam 44'
    forward 4'4"
    aft 4'5"
    Speed unknown
    Range unknown
    Complement unknown
    Fuel Capacity unknown
    Pumping Machinery
    compound condensing steam engine
    Suction Pipe 32"
    tandem compound condensing steam engines 15in.x30in.x24in.
    two sidewheels

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    Henry Flad
    Henry Flad (July 30, 1824 July 20, 1898) was a German-born civil engineer who served as an engineering officer in the Union Army during the American Civil War, was a railroad engineer before and during the civil war, and later as a civil engineer after the war. He helped found and was first president of the Engineers' Club of Saint Louis, and in 1886 was president of the American Society of Civil Engineers.(Wikipedia)
    Tommy Trampp
    Henry Flad
    100k USED Henry Flad hauled out of the water for maintenance, date and location unknown.
    University of Wisconsin-Madison Digital Library
    John Spivey
    Henry Flad
    75k USED Henry Flad moored to the river bank, 30 November 1937, location unknown.
    University of Wisconsin-Madison Digital Library
    John Spivey
    Henry Flad
    66k USED Henry Flad dredging near a river bank, date and location unknown.
    US Army Corp of Engineers Digital Library, Collection of Capt. Forrest Harrison
    John Spivey

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    Last Updated 26 May 2023