DENVER (CBS4) – If you’re seeing a plume of smoke in the Denver metro area, it’s because crews are doing a prescribed burn at the Rocky Mountain Arsenal National Wildlife Refuge.

(credit: CBS)

Crews with the U.S. Fish and Wildlife Service are planning to burn about 500 acres on the wildlife refuge.

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It could last through Friday.

(credit: CBS)

Wildlife officials do these burns every so often to help regrow the native habitat and cut down on fuels that pose wildfire risks.

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Wildfire Resources

– Visit’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), the deadliest (Storm King) and largest wildfire (Hayman) in Colorado history.