N.D. Cent. Code § 20.1-11-07: Game refuges, game management areas to be posted by director - Inscription on signs - Location

The director shall post each state game refuge and game management area with sign boards bearing the words "state game refuge" or "state game management area". These signs must be located at each corner of the refuge or management area and along the outer lines at intervals of approximately four hundred forty yards [402.34 meters].