NEAR CLAYTON, N.M. (CBS4) – A fire has burned more than 23,000 acres in northern New Mexico; more than 9,000 acres of that total so far has crossed over into Colorado.

Stateline Fire (credit: Union County, N.M. Facebook Page)

Officials say the Stateline Fire burning in Union County, New Mexico is about 40 percent contained.

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(credit: Union County, N.M. Facebook Page)

They say an unoccupied home on the southeast side of the fire burned, but also say no structures are threatened right now.

(credit: Union County, N.M. Facebook Page)

The fire started Thursday morning. It has also crossed over into Oklahoma.

(credit: Union County, N.M. Facebook Page)

The National Weather Service station in Pueblo offered an image of the burn scar.

Burn scar from the Stateline Fire burning in northern New Mexico. (credit: NWS Pueblo)

More than 100 personnel from several agencies have responded.

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Wildfire Resources

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

Wildfire Photo Galleries

– See images from the most destructive wildfires (Black ForestWaldo CanyonHigh Park and Fourmile), the deadliest (Storm King) and largest wildfire (Hayman) in Colorado history.

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LINK: New Mexico Fire Information Page