312 Ind. Admin. Code 25-1-160
Current through December 4, 2024
Authority: IC 14-34-2-1
Affected: IC 14-34
Sec. 160.
"Valley fill" means a fill structure consisting of any material other than coal waste and organic material that is placed in a valley where side slopes of the existing valley measured at the steepest point are greater than twenty (20) degrees or the average slope of the profile of the valley from the toe of the fill to the top of the fill is greater than ten (10) degrees.
312 IAC 25-1-160