This is an appealing c.1950 map or plan of Washington D. C. by Friendly Service Inc., a national chain of travel information bureaus. It covers Washington D. C. from O Street north as far as what is now the Smithsonian National Zoological Park and from the Francis Scott Key Memorial Bridge and Arlington Cemetery east to Lincoln Park. Notes individual streets, bridges and rivers. A note in the bottom left quadrant explains the division of Washington into its four sections - N.W., S.W., S.E. and N.E. An advertisement for Friendly Service is featured in the top right quadrant. Verso includes a list of buildings and points of interest in and around Washington D.C., and information about the Endless Caverns in New Market, Virginia. This map was issued for free distribution by the Friendly Service, Inc., ‘America's clearing house of information'.