COMMERCE CITY, Colo. (CBS4) – People saw smoke over the Denver area on Sunday after crews set a controlled burn at the Rocky Mountain Arsenal.

The fire was set to burn off about 1,000 acres in the middle of the wildlife refuge.

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Wildfire Resources

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– 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.