5.7.6.   STANDARDS FOR FENCES, WALLS, AND EXTERIOR LIGHTING
   A.   Fences and Walls
   Neither fences nor walls are allowed that impede wildlife movement through designated except for temporary fencing. If barbed wire fencing is used, the bottom and top wire shall be barbless and a bottom clearance of at least 18 inches from the ground is required.
   B.   Exterior Lighting
   Lighting sources shall be confined to wall-mounted fixtures or standards a maximum of 42 inches in height, spaced to create pools of light rather than a saturated condition. Neither high-pressure sodium nor mercury vapor lighting shall be used. All lighting sources shall be shielded to reduce dispersed light.