EXECUTIVE MANSION, October 29, 1878.
It is hereby ordered that the tract of country in the Territory of Arizona lying within the following-described boundaries, viz: Commencing at the northwest corner of the Navajo Indian Reservation, on the boundary line between the Territories of Arizona and Utah; thence west along said boundary line to the one hundred and tenth degree of longitude west; thence south along said degree to the thirty-sixth parallel of latitude north; thence east along said parallel to the west boundary of the Navajo Reservation; thence north along said west boundary to the place of beginning, be, and the same hereby is, withdrawn from sale and settlement and set apart as an addition to the present reservation for the Navajo Indians.
R. B. HAYES.
SOURCE: Kappler, Indian Affairs, Laws and Treaties, US GPO, 1904, p 875-876
Rutherford B. Hayes, Executive Order—Defining Boundaries for Navajo Indians Online by Gerhard Peters and John T. Woolley, The American Presidency Project https://www.presidency.ucsb.edu/node/371393