Minn. Stat. § 84.087: KEEPING RECORDS AND ORDERS.

Except as otherwise prescribed or required by law, the originals of all official records, orders, and other documents made, executed, or issued by or under the authority of the commissioner of natural resources or the directors of the several divisions of the department shall be filed and kept in the respective offices where the same were made, executed, or issued, or in such other office in the department as the commissioner may direct.