No sign shall be located on publicly owned land or inside street rights-of-way except signs required and erected by permission of an authorized public agency. Signs shall include, but not be limited to, handbills, posters, advertisements or notices that are fastened, placed, posted, painted or attached in any way upon any curbstone, lamppost, utility pole, hydrant, bridge, tree, rock, sidewalk or street. (Ord. 2012-15, 9-20-2012)