(2) Upon approval of the plan for the Willamette River Greenway or segment thereof, the commission shall cause copies of such plan or segment to be filed with the recording officer for each county having lands within the Willamette River Greenway situated within its boundaries. Such plan or segment filed as required by this subsection shall be retained in the office of the county recording officer open for public inspection during reasonable business hours.
(3) If the plan for the Willamette River Greenway is prepared and approved in segments, the total of all such approved segments shall constitute the plan for the Willamette River Greenway for the purposes of ORS 390.310 to 390.368. The department and units of local government, with the approval of the commission, may revise the plan for the Willamette River Greenway from time to time. [1973 c.558 §4]