July 20, 1866
Executive Mansion
Let the townships embraced within the lines shaded red on the within diagram be, in addition to those heretofore withdrawn from sale by my order of 27th February last, reserved from sale and set apart as an Indian reservation for the use of Sioux Indians, as recommended by the Secretary of the Interior, in letter of July 19, 1866.
Andrew Johnson, President
The above order embraces township 31 north, range 8 west; township 31 north, range 7 west; that portion of township 32 north, range 8 west, and of township 32 north, range 7 west, lying south of the Niobrara River, and that portion of township 35 north, range 5 west, lying south of the Missouri River in Nebraska.
[For diagram, see letter from the Commissioner of the General Land Office, dated November 23, 1878.]