Oregon Revised Statutes Protection from Fire § 477.225

The State Forester, by rule, shall designate areas of forestland within this state as forest protection districts within which the forester is required to provide protection pursuant to this chapter. In establishing new boundaries or changes in boundaries of the districts, the State Forester may, for the purposes of administrative convenience, designate mountain ranges, rivers, streams, roads or other recognizable landmarks as boundaries. Boundaries may be established or changed only after a public hearing.