§ 21.12.010 MINIMUM DISTANCES FOR EXPLORATORY CORE HOLES.
   No temporary geological exploratory core hole shall be drilled within the minimum distances specified below from the following:
   (A)   Minimum distance from any street, highway or nearest rail of railway, 25 feet.
   (B)   Minimum distance from exit of any building, 50 feet.
   (C)   Minimum distance from exit at any school, hospital, sanitarium, day nursery or place of public assemblage, 100 feet.
('86 Code, § 21.12.010) (Ord. 3173, passed - - )