ARTICLE 3: USE ZONES SECTION 304.02 CONDITIONAL USES In the RR-1 zone the following uses may be permitted when authorized in accordance with provisions of Article 6 of this Ordinance. A. Major utility facilities as defined in Section 108(B) of this Ordinance. B. Customary retail and service establishments necessary to serve the recreational needs of the area. C. Planned Unit Developments. D. Mining.