US lawMontanaRegulationsTitle 17 — ENVIRONMENTAL QUALITYChapter 17.24 — RECLAMATIONSubchapter 17.24.5 — Strip and Underground Mine Reclamation Act: Backfilling and Grading Requirements17.24.514ARM 17.24.514ARM 17.24.514. CONTOURING IS REPEALEDRepealedLast amended: 1999Length: 4 wordsOfficial source Cite as Mont. Admin. R. 17.24.51417.24.514 CONTOURING IS REPEALEDPreviousARM 17.24.510NextARM 17.24.515