Section 312IAC25-1-157. "Underground mining activities" defined

   "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.

(Natural Resources Commission; 312 IAC 25-1-157; filed Jun 21, 2001, 2:53 p.m.: 24 IR 3426, eff Dec 1, 2001; readopted filed May 29, 2007, 9:51 a.m.: 20070613-IR-312070146RFA; readopted filed Sep 19, 2013, 10:12 a.m.: 20131016-IR-312130125RFA)