![](https://www.cpr.org/cdn-cgi/image/width=3840,quality=75,format=auto/https://wp-cpr.s3.amazonaws.com/uploads/2019/05/ap_18194644452317.jpg)
For the first time in 13 years, the soil's being tested at Rocky Flats. The former nuclear weapons plant is now largely a wildlife refuge. More trails running through the refuge are in the works to connect to existing trails across counties for the Rocky Mountain Greenway project.