D.C. Code § 10-107: Small parks at intersections of streets outside original city limits.

Public parks acquired by the condemnation of small park areas at the intersections of streets outside the limits of the original City of Washington, shown on the map on file showing areas surrounded by streets, in the Office of the Mayor of the District of Columbia, shall become a part of the park system of the District of Columbia and be under the control of the Director of the National Park Service.