A. Accessory buildings used as barns, stables or farm outbuildings shall be not less than twenty feet from any side or tear property line, and not less than fifty feet from the front property line, and not less than twenty feet from any dwelling lmit on the property.
B. Yards for the use of livestock shall be fenced to keep animals not less than twenty feet from ariy dwelling.
C. Side and rear yards for animal hospitals and veterinary clinics shall be no less than sixty feet when adjacent to a lot or parcel used for residential pmposes.
D. Commercial excavations for rock or gravel shall have side and rear yards of a dimension large enough to provide a minimum distance of no less than two hundred feet between such operations and the nearest dwelling; butin no case less than sixty feet.
E. Oil and gas drilling operations shall have side and rear yard of a dimension large enough to provide a minimum distance of no less than one hundred fifty feet betweeil such operations and the nearest dwelling, but in no case less than forty feet. (Ord. 74-12 §3 (part), 1974.)