It is unlawful for any person to dig, remove, or carry away any earth, sand, rock, gravel, or sod, or cut out any trees or bushes from any street, alley, land, or other public thoroughfare, to remove any portion of any sidewalk or any support from any sidewalk or any support from any sidewalk crossing, or to loosen or remove any plant or other support from any culvert or bridge without the permission of the community development director or the city engineer. (2002 Code § 12.12.100; amd. 2013 Code)