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 Mansfield State Forest is listed as a National Natural Landmark. Vermont Route 108 between Stowe Mountain Resort and Smugglers' Notch Resort is a federally designated Scenic By-way. Mount Mansfield State Forest Mount Mansfield State Forest covers in seven towns in Chittenden, Lamoille and Washington counties in Vermont. The towns are Bolton and Underhill in Chittenden County, Cambridge, Johnson, Morristown and Stowe in Lamoille County, and Waterbury in Washington County. Mt. Mansfield State Forest is the largest contiguous landholding owned by the Vermont Department of Forests, Parks and Recreation. There are four state parks located in the forest: Little River State Park, Smugglers' Notch