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The U.S. Interior Highlands is a mountainous region in the Central United States spanning northern and western Arkansas, southern Missouri, eastern Oklahoma, and extreme southeastern Kansas. The name is designated by the United States Geological Survey to refer to the combined subregions of the Ouachita Mountains and the Ozark Plateaus. The U.S. Interior Highlands is one of few mountainous regions between the Appalachians and Rockies.

Geography

There are three distinct mountain ranges within the U.S. Interior Highlands:

The U.S. Interior Highlands is dominated by temperate broadleaf and mixed forests. Three national forests are located here: The Ouachita National Forest in Arkansas and Oklahoma; the Ozark-St. Francis National Forest in Arkansas; and the Mark Twain National Forest in Missouri.

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References

See also