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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