GARDNERVILLE (AP) - Crews battling northern Nevada's Bison Fire are conducting mop-op operations and expect to have the blaze fully contained by Sunday.
Containment was at 80 percent Friday on the fire that has scorched roughly 43 square miles of rugged terrain in Douglas and Lyon counties.
Residents returned home Thursday to 78 homes after voluntary evacuation of the upper Smith Valley area in Lyon County.
The Bison blaze, sparked by lightning July 4, has cost almost $5.7 million to fight.
No homes have been lost but one old mining structure burned.
Two firefighters have been injured.Officials say one suffered a twisted knee and another was treated for breathing problems.