Wis. Stat. § 24.26

Except as provided otherwise by s. 24.11 any person, the person's heirs or assigns, who shall receive a patent pursuant to law for any public lands shall thereby acquire the right to all timber, lumber, trees, wood, bark, stone, earth, and other materials cut, dug, taken or removed therefrom before the issue of such patent, unless the same shall have been cut, dug, taken or removed by the assent of said board or sold by the state, and may maintain any proper action for the recovery thereof, or for any injury done to or trespass committed upon said lands before such patent shall have been issued, in the same manner and with the like effect, and the person shall be entitled to like damages as if such injury or trespass had been committed after the patent had issued.