(2) The plan prepared pursuant to subsection (1) of this section, shall depict, through the use of descriptions, maps, charts and other explanatory materials:
(a) The boundaries of the Willamette River Greenway.
(b) The boundaries of lands acquired or to be acquired as state parks and recreation areas under ORS 390.338.
(c) The lands and interests in lands acquired or to be acquired by units of local government under ORS 390.330 to 390.360.
(d) Lands within the Willamette River Greenway for which the acquisition of a scenic easement, as provided in ORS 390.332, is sufficient for the purposes of such greenway.
(3) The plan shall include the location of all known subsurface mineral aggregate deposits situated on lands within the boundaries of the Willamette River Greenway. [1973 c.558 §3; 1989 c.904 §19]