EXECUTIVE MANSION, November 22, 1873.
It is hereby ordered that the following-described tract of country in the Territory of Arizona be withdrawn from sale and added to the reservation set apart for the Indians of the Colorado River and its tributaries, by act of Congress, approved March 3, 1865 (U. 8. Stat, at Large, vol. 13, p. 559), viz: All that section of bottom-land adjoining the Colorado Reserve, and extending from that reserve on the north side to within 6 miles of Ehrenberg on the south, bounded on the west by the Colorado River, and east by mountains and mesas.
U. S. GRANT.
SOURCE: Kappler, Indian Affairs, Laws and Treaties, US GPO, 1904, p 803
Ulysses S. Grant, Executive Order—Expanding the Colorado River Reservation Online by Gerhard Peters and John T. Woolley, The American Presidency Project https://www.presidency.ucsb.edu/node/371209