15.36.370: O ZONING DISTRICT:
The following signs are permitted in the O open district:
   A.   Signs related to a public use or purpose.
   B.   Private signs subject to review and approval by the director.
   C.   Signs for commercial/industrial uses, subject to the C-4 zoning district regulations contained in this chapter. (Ord. 2552 § 1, 2004)