Article not to create liability, relieve obligation, or limit owner authority

(1) Nothing in this article 41 shall be construed to: (a) Create, enlarge, or affect in any manner any liability for willful or malicious failure to guard or warn against a known dangerous condition, use, structure, or activity likely to cause harm, or for injury suffered by any person in any case where the owner of land charges for that person to enter or go on the land for the recreational use thereof; (b) Relieve any person using the land of another for recreational purposes from any obligation which he may have in the absence of this article to exercise care in his use of such land and in his activities thereon or from the legal consequences of failure to employ such care; (c) Limit any liability of any owner to any person for damages resulting from any occurrence that took place prior to January 1, 1970; or (d) Limit an owner's authority to: (I) Restrict or prohibit the use of the owner's land, or portions of the owner's land, for any recreational purpose; or (II) Establish times when the owner's land is closed and unavailable to individuals to use for recreational purposes, including seasonal closures.