William Taft actually said...
It is hereby ordered that the following described lands in the State of Arizona, viz, all of sections 1 and 12, in township 1 north, range 4 east, of the Gila and Salt River meridian, be, and the same are hereby, withdrawn from settlement, entry, and sale and set apart as an addition to the Salt River Indian Reservation
Context
Executive Order 1256—Adding Lands to the Salt River Indian Reservation
10/19/1910