Operations that are permanently ceased shall be backfilled or closed or otherwise permanently reclaimed in accordance with this chapter and the permit. All underground openings, equipment, structures or other facilities not required for monitoring, unless approved by the Department as suitable for the postmining land use, shall be removed and the affected land reclaimed.
25 Pa. Code § 88.132
This section cited in 25 Pa. Code § 88.131 (relating to cessation of operations: temporary); and 25 Pa. Code § 88.381 (relating to general requirements).