Ottawa National Forest was created in 1931.
The area of Ottawa National Forest is 4,046.856 square kilometers.
Ottawa National Wildlife Refuge was created in 1961.
Wayne National Forest was created in 1992.
Kootenai National Forest was created in 1907.
Gibi National Forest was created in 1960.
Sabine National Forest was created in 1935.
Nebraska National Forest was created in 1902.
Gunnison National Forest was created in 1905.
National Forest - England - was created in 1990.
Roosevelt National Forest was created in 1897.
Olympic National Forest was created in 1897.
Flathead National Forest was created in 1899.