Flint Hills - John Morrison

Flint Hills

The Kansas Flint Hills, formed by the erosion of Permian-age limestones and shales, extend from Marshall County, in the north, to Cowley County, in the south, and are known as the Osage Hills in Oklahoma. Named for the embedded bands of chert, or flint, the Flint Hills region is one of the last great preserves of tallgrass prairie in the country. —Kansas Geological Survey

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Big Bluestem

Big Bluestem

The dominant grasses of the tallgrass prairie are Big Bluestem, Little Bluestem, Switch Grass, and Indian Grass. The arrangement of the flower heads gives rise to another common name, Turkey-Foot Grass. On the Shadow Valley Ranch near Cassoday in Butler County, Kansas. July 25, 2005.

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