When remediation begins in the areas, the "DO NOT DIG" signs will be replaced with a "CAUTION CONTAMINTATION AREA" sign that ...
(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.
Warning signs about radioactive soil along Coldwater Creek are now up in north St. Louis County after years of an ongoing ...