Analysis of information sources in references of the Wikipedia article "35th United States Congress" in English language version.
The Ponca tribe of Indians hereby cede and relinquish to the United States all the lands now owned or claimed by them, wherever situate, except the tract bounded as follows, viz: Beginning at a point on the Neobrara River and running due north, so as to intersect the Ponca River 25 miles from its mouth; thence from said point of intersection, up and along the Ponca River, twenty — miles; thence due south to the Neobrara River; and thence down and along said river to the place of beginning...
The Ponca tribe of Indians hereby cede and relinquish to the United States all the lands now owned or claimed by them, wherever situate, except the tract bounded as follows, viz: Beginning at a point on the Neobrara River and running due north, so as to intersect the Ponca River 25 miles from its mouth; thence from said point of intersection, up and along the Ponca River, twenty — miles; thence due south to the Neobrara River; and thence down and along said river to the place of beginning...