Wash. Rev. Code § 79.02.330
Every person being in lawful possession of any public lands of the state, under and by virtue of any lease or contract of purchase from the state, cuts down, destroys, or injures, or causes to be cut down, destroyed, or injured, any timber standing or growing thereon, or takes or removes, or causes to be taken or removed, therefrom, any wood or timber lying thereon, or maliciously injures or severs anything attached thereto, or the produce thereof, or digs, quarries, mines, takes, or removes therefrom, any earth, soil, clay, sand, gravel, stone, mineral, or other valuable material, or causes the same to be done, or otherwise injures, defaces, or damages, or causes to be injured, defaced, or damaged, any such lands unless expressly authorized so to do by the lease or contract under which possession of such lands is held, or by the provisions of law under and by virtue of which such lease or contract was issued, shall be guilty of a misdemeanor.
RCW 79.02.330
Intent-2003 c 334: See note following RCW 79.02.010.