CHEYENNE, Wyo. (AP) — More dry, breezy and warm weather is keeping two big wildfires growing in Wyoming and Colorado and putting firefighters in a battle to save cabins.

The Mullen Fire about 100 miles west of Cheyenne is burning toward Fox Park and Miller Lake, two enclaves of mainly recreational cabins in Medicine Bow National Forest.

Firefighters hope previous efforts to set up sprinklers and clear away flammable items will help save the buildings.

The Mullen Fire has grown to almost 240 square miles. The Cameron Peak Fire about 25 miles west of Fort Collins has charred almost 200 square miles.

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