Target practice at a public shooting range in Grand County sparked a wildfire that has burned more than 500 acres.

The Denver Post reports that the fire started about noon Monday at the Byers Canyon Shooting Range west of Hot Sulphur Springs and has burned 568 acres as it travels west.

One residence was evacuated, but later the occupants were able to return. There were no reports of injuries.

Local, county, state and federal emergency responders have been battling the blaze. Air support out of Grant Junction has dropped six slurry loads n the flames.

As of Monday night, the fire was 70 percent contained.