Minn. Stat. § 514.57: COMMISSIONER OF NATURAL RESOURCES; LIEN FOR CHARGES.

To secure the payment of fees, mileage, and other charges for official services relating to logs, timber, and lumber, the commissioner of natural resources shall have a lien upon the same, which the commissioner may retain by affixing to the scale bill of such logs, timber, or lumber a statement of the amount due, with a declaration that the commissioner claims and is entitled to such lien, and by taking actual possession of a quantity of such logs, timber, or lumber sufficient to pay such amount, with the expenses of seizure and sale.