The following types of signs are prohibited in all zoning districts:
(b) Signs imitating or resembling official traffic or government signs and signals.
(c) Signs attached to trees, rocks or natural formations or public property, including, but not limited to, utility poles, benches, trash containers and parking meters, except as specifically authorized by the City.
(d) Moving, revolving or flashing signs, except as approved by the Planning and Zoning Commission.
(Ord. 1993-135. Passed 11-1-93.)