Every person who intrudes or squats upon any lot or piece of land within the city, without a license or authority from the owner thereof, or who erects or occupies thereon any hut or other structure without the license or authority, and every person who places, erects or occupies within the bounds of any street, alley or avenue of the city, any structure whatever, shall be guilty of an offense.
(21 O.S. § 1353) (2002 Code, § 134.05) Penalty, see § 10.99