on the map entitled _____ and dated ______, which shall be known as the Elk Ridge Wilderness. (64) Grandmother mountain wilderness Certain Federal land within the Idaho Panhandle National Forest and on land administered by the Coeur d’Alene Field Office of the Bureau of Land Management comprising approximately 35,000 acres as generally depicted on the map entitled _____ and dated ______, which shall be known as the Grandmother Mountain Wilderness. (65) Pinchot butte wilderness Certain Federal land within the Idaho Panhandle National Forest and on land administered by the Coeur d’Alene Field Office of the Bureau of Land Management comprising approximately 9,000 acres as generally depicted on the map entitled _____ and dated ______, which shall be known as the Pinchot Butte Wilderness. (66) Liberal mountain wilderness Certain Federal land within the Sawtooth National Forest comprising approximately 11,000 acres as generally depicted on the map entitled _____ and dated ______, which shall be known as the Liberal Mountain Wilderness. (67) Horse heaven wilderness Certain Federal land within the Payette National Forest and the Boise National Forest comprising approximately 18,000 acres as generally depicted on the map entitled _____ and dated ______, which shall be known as the Horse Heaven Wilderness. (68) Chimney rock wilderness Certain Federal land within the Payette National Forest comprising approximately 9,000 acres as generally depicted on the map entitled _____ and dated ______, which shall be known as the Chimney Rock Wilderness. 105. Greater Cabinet/Yaak/Selkirk ecosystem (a) Designation In order to protect the unique, heavily fragmented, and endangered Greater Cabinet/Yaak/Selkirk ecosystem, the areas described in this section, are hereby designated as wilderness. (b) Cabinet Mountains Wilderness Additions Certain Federal land within the Kootenai National Forest comprising approximately 100,000 acres as generally depicted on the map entitled _____ and dated ______, which shall be added to and administered