IDAHO SPRINGS, Colo. (CBS4)– Firefighters battled a wildfire burning in the Arapaho National Forest south of Idaho Springs on Friday afternoon.

The so-called Santa Fe Fire was reported just after 2 p.m. Friday to the Clear Creek County Sheriff’s Office. It had burned between seven to 10 acres by 6 p.m.

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(credit: CBS)

Two single engine tankers and a heavy air tanker made fire retardant drops on the fire. What caused the fire is being investigated.

(credit: CBS)

The smoke was reported in the Montane Park area located south of Idaho Springs. Containment is expected on Friday evening. No structures were threatened.

(credit: CBS)

Fire retardant is being brought in and several agencies have responded, including Clear Creek County Sheriff’s Office, Idaho Springs Police Department, Clear Creek Fire Authority, Clear Creek County EMS, Central City Fire, Evergreen Fire Rescue, Foothills Fire, and the US Forest Service.

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Wildfire Resources

– Visit CBSDenver.com’s Living With Wildfire section.

Wildfire Photo Galleries

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– See images from the most destructive wildfires (Black Forest, Waldo Canyon, High Park and Fourmile) and largest wildfire (Hayman) in Colorado history.