Weldon Spring Raffinate Pits Location 585-699 Mo 94 St. Charles, Missouri In 1955 the U.S. Department of the Army (Army) transferred 217 acres of what had been the Weldon Springs Ordnance Works to the U.S. Atomic Energy Commission (AEC) to construct a uranium feed...
Weldon Spring Quarry Location Weldon Spring, Missouri In 1958, the U.S. Atomic Energy Commission (AEC) acquired title from the U.S. Department of the Army (Army) to an inactive quarry that had been on the Weldon Springs Ordnance Works land. The quarry was used by...
Weldon Spring Plant Location Weldon Spring, Missouri In 1955, the U.S. Department of the Army (Army) transferred 217 acres of what had been the Weldon Springs Ordnance Works to the U.S. Atomic Energy Commission (AEC) for construction of a uranium feed materials plant....
United Nuclear Corporation Location Meramec Township, St. Louis County Hematite, Missouri The United Nuclear Corporation in Hematite, Missouri, processed unirradiated uranium scrap for the AEC, recovering enriched uranium from it for use in the nuclear weapons...
Tyson Valley Powder Farm Location Brown Road St. Louis, Missouri The Tyson Valley Powder Farm was a storage site for radioactive materials in the late 1940s. Records show, for example, that at the end of 1946, 206,110 pounds of uranium metal were stored at this...
St. Louis Airport Storage Site Location North Schuffendecker St. Louis, Missouri The Manhattan Engineer District (MED) began utilizing the St. Louis Airport Storage Site (SLAPS) in 1946 as a place to store residues from the Mallinckrodt Chemical Works. The MED... 