74:29:03:01Permit amendment
Section · Administrative Rules of South Dakota · View on sdlegislature.gov ↗
required. A permit amendment is required for an increase of more than 20 percent of contiguous affected land within the permit area or for a minor modification of the terms and conditions of the operating or reclamation plans. Minor modifications include the following: (1) An increase in milling or mining capacity; (2) A change in the reclamation plan timetable; or (3) The addition of ancillary facilities of a minor nature.
Source: 14 SDR 111, effective March 3, 1988.