SLAPS 2
In 1946, the Manhattan Engineer District (MED) acquired the 21.7-acre tract of land now known as the St. Louis Airport Site (SLAPS) to store residues from uranium processing at the Mallinckrodt facility in St. Louis.

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Photo by: U.S. Army Corps of Engineers St. Louis District |  VIRIN: 130611-A-ZZ999-014.JPG