30 C.F.R. § 926.21 Required abandoned mine land plan amendments.
Title 30 - Mineral Resources
Pursuant to 30 CFR 884.15, Montana is required to submit for OSM's approval the following proposed plan amendment by the date specified. (a)–(b) [Reserved] [64 FR 3610, Jan. 22, 1999, as amended at 67 FR 41829, June 20, 2002]
Title 30: Mineral Resources
PART 926—MONTANA
§ 926.21 Required abandoned mine land plan amendments.

