40 CFR 81.417 : Protection Of Environment (§ 1.1 To Parts 1851-1899) — (§ 81.1 To Appendix A To Part 81) — Environmental Protection Agency (Continued) (§ 81.1 To Appendix A To Part 81) — Air Programs (Continued) (§ 81.1 To Appendix A To Part 81) — Designation Of Areas For Air Quality Planning Purposes (§ 81.1 To Appendix A To Part 81) — Identification Of Mandatory Class I Federal Areas Where Visibility Is An Important Value (§ 81.400 To Appendix A To Part 81) — Montana.

4 Aug 2016
Area name Acreage Public Law establishing Federal land manager
Anaconda-Pintlar Wild 157,803 88-577 USDA-FS
Bob Marshall Wild 950,000 88-577 USDA-FS
Cabinet Mountains Wild 94,272 88-577 USDA-FS
Gates of the Mtn Wild 28,562 88-577 USDA-FS
Glacier NP 1,012,599 61-171 USDI-NPS
Medicine Lake Wild 11,366 94-557 USDI-FWS
Mission Mountain Wild 73,877 93-632 USDA-FS
Red Rock Lakes Wild 32,350 94-557 USDI-FWS
Scapegoat Wild 239,295 92-395 USDA-FS
Selway-Bitterroot Wild 1 251,930 88-577 USDA-FS
U. L. Bend Wild 20,890 94-557 USDI-FWS
Yellowstone NP 2 167,624 ( 3) USDI-NPS

1 Selway-Bitterroot Wilderness, 1,240,700 acres overall, of which 988,770 acres are in Idaho and 251,930 acres are in Montana.

2 Yellowstone National Park, 2,219,737 acres overall, of which 2,020,625 acres are in Wyoming, 167,624 acres are in Montana, and 31,488 acres are in Idaho.

3 17 Stat. 32 (42nd Cong.)

40 CFR 81.417
[44 FR 69124, Nov. 30, 1979; 45 FR 6103, Jan. 25, 1980]