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Cofferdam in Ohio River by Lock and Dam 7

July 26, 1913

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Cofferdam in Ohio River by Lock and Dam 7
  • Title
  • Cofferdam in Ohio River by Lock and Dam 7
  • Creator
  • United States. Army. Corps of Engineers. Pittsburgh District.
  • Date
  • July 26, 1913
  • Identifier
  • 20180220-hpichswp-0134
  • Source Identifier
  • PSS 23_B020_F16_I01
  • Description
  • An image of the cofferdam near Lock and Dam 7 of the Ohio River being drained of water. A cofferdam is an airtight structure that is pumped dry to enable construction below the shoreline. Lock and Dam 7 was located near Midland, Pa. A boat from the T.A. Gillespie Co. is being used in the process.
  • Type
  • still image
  • Genre
  • photographs
  • Subject
  • Rivers--Pennsylvania--Midland.
    Ohio River.
    Construction projects--Pennsylvania--Midland.
    Labor--Pennsylvania--Midland.
    Cofferdams--Pennsylvania--Midland.
    Blue collar workers--Pennsylvania--Midland.
    Midland (Pa.)
  • Source
  • United States Army Corps of Engineers, Pittsburgh District Glass Plate Negatives, c. 1900-1936, PSS 23, Detre Library and Archives, Heinz History Center
  • Contributor
  • Detre Library & Archives, Heinz History Center
  • Collection
  • United States Army Corps of Engineers, Pittsburgh District Glass Plate Negatives
  • Rights Information
  • No Copyright - United States. The organization that has made the Item available believes that the Item is in the Public Domain under the laws of the United States, but a determination was not made as to its copyright status under the copyright laws of other countries. The Item may not be in the Public Domain under the laws of other countries. Please refer to the organization that has made the Item available for more information.
    http://rightsstatements.org/vocab/NoC-US/1.0/