Proclamation 521—Disposal of Sioux Lands
By the President of the United States of America
Whereas, a proclamation was issued February 10, 1890, by the President, making known and proclaiming the acceptance of the Sioux Act approved March 2, 1889 (25 Stats., 888) by the different bands of the Sioux Nation of Indians, and the consent thereto by them as required by the said Act:
And Whereas, the proclamation contains the following clause:
That there is also reserved as aforesaid the following tract within which the Cheyenne River Agency, school and certain other buildings are located, to wit: Commencing at a point in the center of the main channel in the Missouri River opposite Deep Creek, about three miles south of the Cheyenne River; thence due west five and one half miles; thence due north to the Cheyenne River; thence down said river to the center of the main channel thereof to a point in the center of the Missouri River due east or opposite the mouth of said Cheyenne River; thence down the center of the main channel of the Missouri River to the place of beginning:
And Whereas, a proclamation was issued February 7, 1903, by the President, declaring said lands subject to disposal under the provisions of the said Act, except 160 acres of land reserved and set apart for the use of St. John's Mission School;
And Whereas, due notice has been received that the Domestic and Foreign Missionary Society no longer desires the use of the lands set apart for the St. John's Mission School by the Secretary of the Interior, and excepted from disposal in the proclamation of February 7, 1903, as aforesaid, said lands being described as follows:
Beginning at the north-west corner of Section 29, Township 9 N., Range 29 E., at a stake and four witness holes, and running east 40 chains to a stake and stones, near the west bank of the Missouri River; thence south along said river to the center of said section, 40 chains; thence west 40 chains to a stake and two witness holes; thence north 40 chains to the place of beginning, and containing 160 acres, more or less;
Now, Therefore, I, Theodore Roosevelt, President of the United States, by virtue of the power in me vested, do declare the said tract of land subject to disposal under the provisions of said Act.
In Witness Whereof, I have hereunto set my hand and caused the seal of the United States to be affixed.
Done at the city of Washington, this 30th day of March, in the year of our Lord, one thousand nine hundred and four, and of the Independence of the United States the one hundred and twenty-eighth.
By the President:
Secretary of State.
Theodore Roosevelt, Proclamation 521—Disposal of Sioux Lands Online by Gerhard Peters and John T. Woolley, The American Presidency Project https://www.presidency.ucsb.edu/node/206698