Black sage wilderness Certain public land administered by the Butte Field Office of the Bureau of Land Management comprising approximately 5,917 acres, identified as Black Sage on the Map, which shall be known as the Black Sage Wilderness . (S) Ruby range wilderness Certain public land administered by the Dillon Field Office of the Bureau of Land Management comprising approximately 26,254 acres, identified as Ruby Range on the Map, which shall be known as the Ruby Range Wilderness . (T) Humbug spires wilderness Certain public land administered by the Butte Field Office of the Bureau of Land Management comprising approximately 11,327 acres, identified as Humbug Spires on the Map, which shall be known as the Humbug Spires Wilderness . (U) Gold hill wilderness Certain Federal land within the Kootenai National Forest comprising approximately 6,455 acres, identified as Gold Hill on the Map, which shall be known as the Gold Hill Wilderness . (V) Gold hill west wilderness Certain Federal land within the Kootenai National Forest comprising approximately 15,079 acres, identified as “Gold Hill West” on the Map, which shall be known as the Gold Hill West Wilderness . (W) Zulu creek wilderness Certain Federal land within the Kootenai National Forest comprising approximately 17,540 acres, identified as Zulu Creek on the Map, which shall be known as the Zulu Creek Wilderness . (X) Maple peak wilderness Certain Federal land within the Lolo National Forest, Idaho Panhandle National Forests, and Kootenai National Forest comprising approximately 18,724 acres, identified as Maple Peak on the Map, which shall be known as the Maple Peak Wilderness . (Y) Storm creek wilderness Certain Federal land within the Idaho Panhandle National Forests and Kootenai National Forest comprising approximately 8,233 acres, identified as Storm Creek on the Map, which shall be known as the Storm Creek Wilderness . (Z) Hammond creek wilderness Certain Federal land within the Idaho Panhandle National Forests comprising approximately 17,414 acres,