Ind. Admin. Code tit. 312, r. 29-2-124
Authority: IC 14-10-2-4; IC 14-37-3
Affected: IC 14-37
Sec. 124. "Top plug" means a plug or series of plugs placed between the deeper of fifty (50) feet below the lowermost commercially minable coal resource, or the lowest underground source of drinking water, and extending to the surface.
(Natural Resources Commission; 312 IAC 29-2-124; filed Dec 1, 2017, 10:35 a.m.: 20171227-IR-312160230FRA; readopted filed Jan 17, 2023, 1:53 p.m.: 20230215-IR-312220328RFA)