9-10-3: MINIMUM AREA:
A planned unit development for the following principal uses shall contain an area of not less than:
   A.   Three (3) acres for residential development.
   B.   Five (5) acres for residential use with subordinate commercial or industrial uses.
   C.   Ten (10) acres for commercial use.
   D.   Ten (10) acres for industrial use. (Ord. 15, 7-11-1977)