US lawIndianaRegulationsTitle 312 — Natural Resources CommissionArticle 25 — ARTICLE 25. COAL MINING AND RECLAMATION OPERATIONSRule 1 — Definitions25-1-148312 IAC 25-1-148312 IAC 25-1-148 "Surface soil" definedLast amended: 2025Year: 2027Length: 8 wordsOfficial source Cite as Ind. Admin. Code tit. 312, r. 25-1-148Sec. 148. "Surface soil" means the A horizon.Previous312 IAC 25-1-147Next312 IAC 25-1-149