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
Corpus Christi Bay semi-arid and is used for ranching and other agricultural purposes. The bay itself is considered subtropical, and was described by Gutzon Borglum as "the most beautiful bay on the Texas coast." On average, the system is deep, and covers approximately . It is the fourth largest estuarine system in Texas behind Galveston Bay, Laguna Madre and Matagorda Bay. The two main extensions are: Nueces Bay, which extends west to the mouth of the Nueces River, and Oso Bay, which extends south to the mouth of Oso Creek. Every second, approximately of water flows into the bay. The exchange with the