Oregon Revised Statutes Highways, Roads, Bridges and Ferries § 390.360

All lands or interests in lands acquired and all historical sites, structures, facilities and objects preserved and restored by the units of local government pursuant to ORS 390.330 with grants of money from the State Parks and Recreation Department, may be used only for the purposes of the Willamette River Greenway as set forth in ORS 390.314, unless a different use is authorized by the department. Title to the lands or interest therein so acquired shall be held by the unit of local government acquiring the same. Such lands or interest therein and such historical sites, structures, facilities and objects preserved and restored shall never be disposed of or sold except upon the approval and consent of the department.