VALENTINE, Neb. (AP) — A wildlife refuge in northern Nebraska is in need of volunteers to fix the state’s only turtle fences, which have begun to fail.

Chain-link fences keeping turtles from crossing the road outside of the Valentine National Wildlife Refuge have been damaged by cars or erosion. The gaps in the fences put the refuge’s turtles in danger as road kill.

Mark Lindvall was the refuge’s manager when the fences were installed and now serves as president of the Sandhills Prairie Refuge Association. Lindvall and the association are organizing a fence-fixing project on June 16 in Valentine.

The state Department of Transportation and the refuge are providing materials. Organizers are calling on volunteers to bring pliers and shovels to help fix the fencing damage.