March 17, 1875
To the Senate of the United States:
I have the honor to transmit herewith communications from the Secretaries of War and the Interior, in answer to the resolution of the Senate of the 15th instant, requesting "any information in my possession in regard to the proposed emigration to the Black Hills country, in the Sioux Indian Reservation; whether such emigration is with the consent of the Indian tribes holding said country under the treaty of February 24, 1869, and if not, what measures wilt be taken in relation to the Same."
U. S. GRANT.
Ulysses S. Grant, Special Message Online by Gerhard Peters and John T. Woolley, The American Presidency Project https://www.presidency.ucsb.edu/node/204214