312 IAC 25-1-157 "Underground mining activities" defined

Sec. 157. "Underground mining activities" means a combination of the following: (1) Surface operations incident to underground extraction of coal or in situ processing, such as construction, use, maintenance, and reclamation of the following: (A) Roads. (B) Aboveground repair areas. (C) Storage areas. (D) Processing areas. (E) Shipping areas. (F) Areas upon which are sited support facilities, including hoist and ventilating ducts. (G) Areas utilized for the disposal and storage of waste. (H) Areas on which materials incident to underground mining operations are placed. (2) Underground operations, such as underground construction, operation, and reclamation of the following: (A) Shafts. (B) Adits. (C) Underground support facilities. (D) In situ processing. (E) Underground mining, hauling, storage, and blasting.