No person shall cause or permit any brine water, oil, liquid dye or other substance harmful to tree life, to lie, pour, flow or drip on or into the soil upon the base of a tree in any public street in this city or onto a sidewalk, way or pavement therein at a point whereby said substance by lying on, or by flowing, dripping or seeping into such soil, or in any other manner injure such tree; or cause or permit such lying, leaking, flowing, dripping, seeping or injury.
It is unlawful for any person, firm or corporation owning, maintaining or operating any gas pipe or mains laid beneath the surface of any street or private land in this city to permit any leak to occur in such pipes or mains within a radius of forty feet of any tree now or hereafter growing in any street or park of this city.
(1953 Code §§ 7034, 7035; Ord. 197 § 4)