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 Sunapee State Park and southern New Hampshire by the Monadnock-Sunapee Greenway and to the ten-town Lake Sunapee region by the "emerald necklace" of the Sunapee-Ragged-Kearsarge Greenway which connects Mt. Sunapee to Wadleigh State Park in Sutton and to Winslow and Rollins State Parks on Mount Kearsarge in Warner and Wilmot. The trail also links three New Hampshire state forests: Gile, Kearsarge and Shadow Hill, as well as one state wildlife management area: Bog Mountain. Mount Sunapee State Park Mount Sunapee State Park is a state park in Newbury, New Hampshire. The park includes a beach portion on Lake Sunapee and most of Mount