461A.35  Prohibited destructive acts.
  It shall be unlawful for any person to use, enjoy the privileges of, destroy, injure or deface plant life, trees, buildings, or other natural or material property, or to construct or operate for private or commercial purposes any structure, or to remove any plant life, trees, buildings, sand, gravel, ice, earth, stone, wood or other natural material, or to operate vehicles, within the boundaries of any state park, preserve, or stream or any other lands or waters under the jurisdiction of the commission for any purpose whatsoever, except upon the terms, conditions, limitations and restrictions as set forth by the commission.
[C39, §1828.01; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §111.35]
86 Acts, ch 1245, §1877
C93, §461A.35