The Omaha Structural Steel Works was a company also known as Omaha Steel Works and as Omaha Structural Steel Bridge Co.in Omaha, Nebraska

A number of its works are listed in the U.S. National Register of Historic Places.[1]

Works include (with variations in attribution):

Shipyard

Seaplane Wrecking Derrick - YSD

For World War 2 in 1944 Omaha Steel Works built YSD-11 Class Seaplane Wrecking Derrick, Hull classification symbol YSD is for Yard Seaplane Dirrick, Yard as in ship repair yard:[2]

References

  1. 1 2 3 4 5 6 7 8 9 10 "National Register Information System". National Register of Historic Places. National Park Service. July 9, 2010.
  2. Omaha Steel website
  3. YSD 66 navsource
  4. YSD 67 navsource
  5. YSD 68 navsource
  6. YSD 69 navsource
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