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Steve Landeen, Deseret News
Crews battle the Black Mountain Fire in Beaver County, Wednesday, July 3, 2013.

MINERSVILLE, Beaver County — Bureau of Land Management officials said progress was being made Wednesday on the Black Mountain Fire.

Two firefighters were hospitalized and treated for heat-related illnesses. It is anticipated they will both fully recover.

Starting Thursday, a Type III incident management team will take over operations.

Cedar City and Cedar Mountain were affected by smoke and ash that came from the burned vegetation, officials said.

The lightning-caused fire started about 5 p.m. Tuesday about 3 miles southeast of Minersville. As of 9:30 p.m. Wednesday, the fire had burned an estimated 4,000 acres and was just 5 percent contained.

There were no evacuation orders Wednesday, but the Maple Springs, Black Mountain, Chalk Hollow and Camel Hollow roads were all closed. The majority of the fire was in steep, rocky terrain.

One cabin was being threatened, according to fire officials.

About 200 personnel, three helicopters and four air tankers were assigned to help fight the fire.

Officials reminded the public to stay clear of the areas around the fire, because the fire is spreading so quickly.

For more information, visit utahfireinfo.gov.

— Pat Reavy, Whitney Evans