US lawMontanaRegulationsTitle 42 — REVENUEChapter 42.20 — REAL PROPERTYSubchapter 42.20.3 — Classification of Nonproductive Patented Mining Claims42.20.311ARM 42.20.311ARM 42.20.311SupersededLast amended: 1987Length: 10 wordsOfficial source Cite as Mont. Admin. R. 42.20.31142.21.211 PORTIONS OF PARCELS ELIGIBLE FOR CLASSIFICATION AS CLASS 4PreviousARM 42.20.311