US lawIndianaRegulationsTitle 310 — Department of Natural ResourcesArticle 12 — ARTICLE 12. COAL MINING AND RECLAMATION OPERATIONSRule 5 — Performance Standards12-5-55310 IAC 12-5-55310 IAC 12-5-55 Backfilling and grading; grading requirements (Repealed)RepealedLast amended: 1985Year: 2027Length: 2 wordsOfficial source Cite as Ind. Admin. Code tit. 310, r. 12-5-55Sec. 55.Previous310 IAC 12-5-54.1Next310 IAC 12-5-55.1