Geological Survey (U.S.) cartographic Maps. lcgft https://id.loc.gov/authorities/genreForms/gf2011026387 [Washington] : Dept. of the Interior, U.S. Geological Survey, 1923. eng Relief shown by shading. Alternate title in right lower margin: Road map, Washington and vicinity. Includes source materials note. Text on verso. Roads--Washington Region--Maps. United States District of Columbia Washington Region. Available also through the Library of Congress Web site as a raster image. http://hdl.loc.gov/loc.gmd/g3851p.ct004824