This very early map shows a small cluster of surveying in the southeastern corner of the territory along the Missouri River. The region just west of this surveyed land is noted as Indian Title Extinguished Yankton Cession with a 400,000 acre Yankton Reserve located across the Missouri River from Ft. Rendall. Nearby, the Ponka Reserve lies between the Niobrara and Ponka Rivers. The balance of the map is largely blank with only detail of the river systems, some topography, and the locations of a few forts and Indian villages along the Missouri River.

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Condition: B

Issued folding with light toning along the fold lines and some dampstaining at bottom. A few fold separations have been repaired on verso with old tape.