312 IAC 25-6-134 Concurrent surface and underground mining; applicability

Sec. 134. A variance under this section and sections 135 and 136 of this rule applies only to those specific areas within the permit area that the person conducting combined surface and underground mining activities has shown to be necessary for implementing the proposed concurrent operations and that the director has approved in the permit under 312 IAC 25-4-103. The variance is effective for any particular portion of the permit area only for the time necessary to facilitate the authorized underground mining activities.