Mo. Rev. Stat. § 64.560
Not to affect strip mining — commercial structures permitted, where (second ...
64.560. Not to affect strip mining — commercial structures permitted, where (second and third class counties). — That nothing herein shall affect the recovery of natural resources by strip or open cut mining; provided that commercial structures shall be permitted in all districts except those zoned for residential or recreational use.
(L. 1951 p. 406 § 18)