Mich. Comp. Laws § 426.151

Sec. 1. That it shall be unlawful for any person other than the owner thereof, or some person by him employed, whether such owner be known or unknown, to take possession of, drive or run, or in any manner dispose of any log, spar, boomstick, spile, shinglebolt, timber, railroad tie, fence-post or lumber floating upon, lying or being in any river, stream, lake, pond, bay inlet or bayou or any waters in this state or in any boom therein, or on or near the shores or banks thereof.