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In page Montgomery County, Kansas:

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For a brief time, the Osages attempted to maintain a boundary at the Verdigris River. The Verdigris flows from north to south through the center of Montgomery County. From the west the Elk River joins the Verdigris at a confluence slightly northwest of the geographical center of the county. In 1867 Frank and Fred Bunker established a primitive cattle camp on the west side of the Verdigris south of the confluence. Like the Osages, the Bunkers thought they were beyond the boundaries of civilization.[citation needed]