City of Washington, statistical maps / compiled by Lieut. F.V. Greene, assistant to the Engineer Commissioner, July 1st 1880 ; compiled by Lieut. F.V. Greene, U.S. Eng’rs … to accompany the annual report of the Commissioners of the District of Columbia for the year ending June 30th 1880 ; Wm. T.O. Bruff, del., Eng’r Dept., D.C.