Capital Subdivision Capital Subdivision The Capital Subdivision is a railroad line owned and operated by CSX Transportation in the U.S. state of Maryland and the District of Columbia. The line runs from near Baltimore, Maryland southwest to Washington, D.C. along the former Baltimore and Ohio Rail Road (B&O) Washington Branch. The subdivision's Alexandria Extension provides a connection to Virginia and points south. The northeast end of the line is at Halethorpe, Maryland, just north of the historic Thomas Viaduct, where it meets the Baltimore Terminal Subdivision and the Old Main Line Subdivision. Its southwest end is at the yard north of Union
Harmony Hall (Fort Washington, Maryland) stage plays, art exhibits, arts classes, scout meetings, and other cultural programs. The building was originally an elementary school. Harmony Hall (Fort Washington, Maryland) Harmony Hall, located in Fort Washington, Maryland, is managed by the United States National Park Service as part of the National Capital Parks-East system. It has been a National Park Service site since 1966. Harmony Hall is a -story Georgian country house built of red brick during the eighteenth century. It is surrounded by of land on Broad Creek, a Potomac River tributary. The house was built circa 1769 by Enoch Magruder. After his death, the