All development in the AP zone shall be designed in accordance with the following guidelines in order to implement § 17.62.410:
(A) The structures, excepting greenhouses, shall reflect in exterior design and coloration the past rural nature of the city;
(B) The parking area may be constructed with decomposed granite and may have railroad ties for wheel stops.
(`78 Code, § 17.62.520.) (Ord. 2132 § 3 (part), 1992.)