ORS 390.885

In acquiring related adjacent land by exchange, the State Parks and Recreation Department may accept title to any property within a scenic waterway and, in exchange therefor, may convey to the grantor of the property any property under the department’s jurisdiction that the department is not otherwise restricted from exchanging. Insofar as practicable, the properties so exchanged shall be of approximately equal fair market value. If they are not of approximately equal fair market value, the department may accept cash or property from, or pay cash or grant property to, the grantor in order to equalize the values of the properties exchanged.