Ind. Code § 14-34-18-1
This chapter does not apply to the following:
(1) Land on which surface coal mining operations were conducted:
(B) under a permit issued under:
(2) Land where substantial legal and financial commitments in a surface coal mining operation were in existence before January 4, 1977.
[Pre-1995 Recodification Citation: 13-4.1-14-5.]
As added by P.L.1-1995, SEC.27.