Hearings Before the Special Subcommittee of the Committee on the Judiciary, United States Senate, Eighty-sixth Congress, Second Session, on H. J. Res. 402, Granting the Consent and Approval of Congress for the States of Virginia, and Maryland, and the District of Columbia to Enter Into a Compact Related to the Regulation of Mass Transit in the Washington, D. C., Metropolitan Area, and for Other Purposes. June 24 and 25th, 1960