In order to preserve and interpret the life of James Earl Carter, Jr. and the rural southern town of Plains, Georgia, including the 20th century south and the roles of agriculture and the agricultural economy there is hereby established the Jimmy Carter National Preservation District, which shall consist of the area identified on the map referred to in section 410hhhh(b)(1) of this title as “Preservation District”. The preservation district shall include the Plains Historic District as listed in the National Register of Historic Places on June 28, 1984, and those agricultural lands not to exceed 650 acres and that portion of Bond Street as depicted on such map.