Mount Rushmore still disputed on the basis of the 1868 Treaty of Fort Laramie (see section "Controversy" below). Among American settlers, the peak was known variously as Cougar Mountain, Sugarloaf Mountain, Slaughterhouse Mountain, and Keystone Cliffs. It was named Mount Rushmore during a prospecting expedition by Charles Rushmore, David Swanzey (husband of Carrie Ingalls), and Bill Challis. Historian Doane Robinson conceived the idea for Mount Rushmore in 1923 to promote tourism in South Dakota. In 1924, Robinson persuaded sculptor Gutzon Borglum to travel to the Black Hills region to ensure the carving could be accomplished. Borglum had been involved in sculpting the
Mount Pilchuck State Park Washington State Parks administered a concessionaire-run ski area on the slopes of Mt. Pilchuck from 1957 to 1980, when it was closed due to poor snow conditions. The park is managed in partnership with the USFS and the Everett Mountaineers. Mount Pilchuck State Park Mount Pilchuck State Park is a public recreation area located east of Granite Falls, Washington, on the western edges of the Cascade Mountains. The state park features of alpine scenery, recreational activities, and Mount Pilchuck itself. The main point of interest is the trail to the peak and the old fire lookout located on the summit,