An undated photo from the 1980s, of two teenagers stepping on rocks and wooden planks on Coldwater Creek. The photo is from a scrapbook kept by Sandy Delcoure, who lived on Willow Creek in Florissant ...

At Rocky Flats National Wildlife Refuge, differing safety messages spark debate: federal signs assure its safety, while county warnings highlight danger.

Radioactive Warning signs are being installed near entrances to Rocky Flats National Wildlife Refuge, sharply contradicting ...

The signs released by the U.S. Army Corps of Engineers warn of "low-level radioactive materials present" near Coldwater Creek in St. Louis. Federal officials plan to post warning signs along a ...

ST. LOUIS COUNTY, Mo. — The U.S. Army Corps of Engineers plans to install what could end up being scores of signs sometime in November across north St. Louis County to warn people about the dangers of ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. FLORISSANT, Mo. – Florissant residents could ...

WASHINGTON (CN) - Tritium "EXIT" signs, which have tubes that glow in the dark for up to twenty years without electricity or batteries, are radioactive and should not go in the regular trash when ...

Federal officials plan to post warning signs along a contaminated suburban St. Louis creek where generations of children were exposed to radioactive material. Coldwater Creek, which winds between ...