Map shows mid-nineteenth century Maryland and Delaware counties, railroads, canals, and some roads. Inset: [Map of the] "District of Columbia," [Profile of the] "Cheapeake and Ohio Canal," [Profile of the] "Baltimore and Ohio Railroad (Eastern Part)." Relief shown by hachures and by profile. Scale [ca. 1:1,200,000].

Map shows mid-nineteenth century Maryland and Delaware counties, cities and towns, "stage" roads, railroads, canals, marshlands, and distances. Inset: Baltimore street names, parks, buildings, and wards. Includes legend "explanation" of symbols on map, reference key on inset, and table of steam boat routes. Prime meridian: Washington. Relief shown by hachures. Scale [ca. 1:1,150,000].