Oregon Revised Statutes Public Lands § 273.235

The Department of State Lands may inspect and audit books, records and accounts of each person removing material from any real property of the State of Oregon, and make other investigation and secure or receive other evidence necessary to determine whether or not the department is being paid the full amount payable to it for the removal of such material. The department may proceed by action or suit to enforce payment for all materials taken from any real property of the State of Oregon, for commercial uses, whether under lease, or otherwise, for which payment has not been made.