On January 13 , 1920 the entire Sioux National Forest was added , which now comprises the Sioux Ranger District of Custer , extending into South Dakota .
On July 1 , 1908 the name was changed to Custer .
On January 13 , 1920 the entire Sioux National Forest was added , which now comprises the Custer         , extending into South Dakota .
On July 1 , 1908 the name was changed to Custer .