Wis. Stat. § 779.25: Lien for joint log driving.

When logs or timber of different owners are so intermixed that they cannot be conveniently separated for driving and either owner neglects to make the necessary provision for driving them any other owner may drive all such logs or timber to the destination and shall receive reasonable compensation for driving the logs of the owner so neglecting and shall have a lien for such compensation and may enforce the same as provided for the enforcement of liens upon logs or timber.