Fortification Range Wilderness was created in 2004.
The area of Fortification Range Wilderness is 124.06 square kilometers.
King Range Wilderness was created in 2006.
Blue Range Wilderness was created in 1980.
White Pine Range Wilderness was created in 2006.
South Egan Range Wilderness was created in 2006.
Bradleys Head Fortification Complex was created in 1842.
Richard Scamyhorn has written: 'Stockades in the wilderness' -- subject(s): Fortification, History
The area of King Range Wilderness is 172.335 square kilometers.
The area of Blue Range Wilderness is 118.589 square kilometers.
The area of White Pine Range Wilderness is 161.927 square kilometers.
The area of South Egan Range Wilderness is 272.005 square kilometers.
The area of Sentinel Range Wilderness Area is 94.098 square kilometers.