Ariz. Const. art. X, § 9

All lands expressly transferred and confirmed to the state, by the provisions of the Enabling Act approved June 20, 1910, including all lands granted to the state, and all lands heretofore granted to the territory of Arizona, and all lands otherwise acquired by the state, may be sold or leased by the state in the manner, and on the conditions, and with the limitations, prescribed by the said Enabling Act and this Constitution, and as may be further prescribed by law; Provided, that the legislature shall provide for the separate appraisement of the lands and of the improvements on school and university lands which have been held under lease prior to the adoption of this Constitution, and for reimbursement to the actual bona fide residents or lessees of such lands upon which such improvements are situated, as prescribed by title 65, Civil Code of Arizona, 1901, and in such cases only as permit reimbursements to lessees in said title 65.