Geological Survey (U.S.)Hoffman, J. D.U.S. Coast and Geodetic SurveyWilson, Herbert M. (Herbert Michael), 1860-1920Relief shown by contours. Contour interval 20 ft. "Surveyed in 1885-86 and 95-97." Text, "Description of the topographic map of the United States," on verso. 1 map: col.; 46 x 69 cmJPEGb2efc47f-70b9-4462-a6a4-86a49e43697eengPublicWashington and vicinity, Maryland-District of Columbia-Virginia H.M. Wilson, geographer in charge; topography by J.D. Hoffman ... [et al.] and U.S. Coast and Geodetic Survey.MapsD.C.-- Washington--Washington DC1898University of Michigan