(First Alert 4) - The U.S. Army Corp of Engineers is planning to install signs along Coldwater Creek alerting the ... multi-year cleanup of radioactive contamination from the Manhattan Project.
When remediation begins in the areas, the "DO NOT DIG" signs will be replaced with a "CAUTION CONTAMINTATION AREA" sign that ...
Warning signs about radioactive soil along Coldwater Creek are now up in north St. Louis County after years of an ongoing ...