Philadelphia. Thomas, Cowperthwait. Copyright 1850. [ 1855].
Hand-colored map, 11.25 x 14.5" including decorative border. Very good condition: three very faint spots of foxing, upper right corner torn but this is 5/8 inch outside image area (margins are approx. 1 inch). Includes an inset table of steamboat routes and an inset table of the population of various Maryland towns as of the 1850 census, along with a list of Maryland's population during periods from 1790 to 1850. Item #29132