The purpose of AS 41.21.450 - 41.21.466 is to restrict state-owned land and water within the boundaries described in AS 41.21.455, except as provided in AS 41.21.466, to use as a public recreation area. Under the provisions of AS 38.05.300, state land, water, or land and water containing more than 640 acres may be closed to multiple purpose use only by act of the legislature. Inasmuch as the area described in AS 41.21.455 exceeds 640 acres, AS 41.21.450 - 41.21.466 are intended to except the area described in AS 41.21.455, as that description is modified by AS 41.21.466, from the provisions of AS 38.05.300.