It shall be unlawful for any person to deposit, leave or permit to be deposited or left in any public park any trash, paper, box, can, bottle, food fragments or other unsightly substance, except in receptacles provided especially for that purpose, or to dump or throw any trash, stones, bottles, food fragments or refuse of any kind in any lake, stream, swimming pool or fountain in any such park.
('86 Code, § 12.104) Penalty, see § 10.99