Currently more than 80 percent of the state is in some form of drought.
"It's a very challenging fire, I'll be honest with you, with all the wind changes," said incident commander Shane Greer.
US 160 remains closed between Fort Garland and La Veta due to fire activity along the highway.
The Federal Emergency Management Agency said Thursday the U.S. government would help pay the state's cost for fighting the fire.
The fire, which was reported early Wednesday, is zero percent contained.
In Colorado, nine have already joined in the action and more than a dozen cities and counties say they’re considering the move.
While the black market problem is often assumed to be connected to recreational legalization, it is more closely associated with the 2000's Amendment 20 for medical marijuana.
"It's not gonna be one of those fires where they can just go out and we hammer it and it's out in two or three days,” official says.
Once the sale is completed, Vail will own five ski resorts in Colorado: Crested Butte, Vail, Beaver Creek, Keystone and Breckenridge.