16 U.S.C. § 403g

An area of four hundred thousand acres within the minimum boundaries of the Great Smoky Mountains National Park, acquired one-half by the peoples and States of North Carolina and Tennessee, and the United States, and one-half by the Laura Spelman Rockefeller Memorial in memory of Laura Spelman Rockefeller, is established as a completed park for administration, protection, and development by the United States.