; (B) by inserting , Kansas; Summerton, South Carolina; Farmville, Virginia; Wilmington and Hockessin, Delaware; and the District of Columbia after Topeka ; and (C) by inserting and the context of Brown v. Board of Education after civil rights movement . (4) In section 103, by inserting after subsection (b) the following: (c) Boundary adjustment (1) In general In addition to land described in subsection (b), the historic site shall consist of land and interests in land identified as Summerton High School and Scott’s Branch High School located in Clarendon County, South Carolina, after such land, or interests in land, is acquired by the Secretary and the determination is made under paragraph (2). (2) Determination by secretary The historic site shall not be expanded until the date on which the Secretary determines that a sufficient quantity of land, or interests in land, has been acquired to constitute a manageable park unit. (3) Notice Not later than 30 days after the date on which the Secretary makes a determination under paragraph (2), the Secretary shall publish in the Federal Register notice of the expansion of the historic site. (4) Map After the determination in subsection (2), the Secretary shall publish a new map of the historic site to include land or interests in land acquired under this subsection. . (5) In section 104— (A) by striking section 103(b) and inserting subsections (b) and (c) of section 103 ; (B) by striking : Provided, however, That the inserting The