312 IAC 25-6-9
312 IAC 25-6-9 Surface mining; casing and sealing drilled holes; temporary
Cite as Ind. Admin. Code tit. 312, r. 25-6-9
Sec. 9. Each drilled hole, well, or other exposed underground opening identified in the approved permit application for use to return coal
processing waste or water to underground workings, or to be used to monitor ground water conditions, shall be temporarily sealed before use and
protected during use by barricades, fences, or other protective devices.