Ohio River Lock and Dam 7 Removal of Cofferdam (2)

October 22, 1913

View this item

Ohio River Lock and Dam 7 Removal of Cofferdam (2)
  • Title
  • Ohio River Lock and Dam 7 Removal of Cofferdam (2)
  • Creator
  • United States. Army. Corps of Engineers. Pittsburgh District.
  • Date
  • October 22, 1913
  • Identifier
  • 20180220-hpichswp-0153
  • Source Identifier
  • PSS 23_B022_F23_I01
  • Description
  • An image of a concrete mixer used in the removal of the cofferdam near Lock and Dam 7 in the Ohio River. 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.
  • 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/