Montana.

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