June 02, 1911
It is hereby ordered that the following-described land, to wit, the northwest quarter of the northeast quarter and the west half of the northeast quarter of the northeast quarter of section 26, township 18 north of range 13 west of the Gila and Salt River meridian, be, and the same is hereby, reserved from entry, sale, settlement, or other disposition, for use of the Walapai Indians, subject to any valid, existing right of any person to the land described herein.
WM. H. TAFT.
William Howard Taft, Executive Order 1368—Reserving Land in Arizona for Use of Walapai Indians Online by Gerhard Peters and John T. Woolley, The American Presidency Project https://www.presidency.ucsb.edu/node/277227