Table lists 1840 census figures for individual counties and Baltimore, Frederick, and Annapolis. By S. W. Herrick, Civil Engineer. 1 inch to ca. Inset map of Washington, D.C., at a scale of 1 inch to ca. 1.25 miles and Baltimore at a scale of 1 inch to ca.
Several paragraphs contain historical and statistical information about Maryland.
McJilton's Outline Map of Maryland and Delaware, 1866. 4 sections, each 23 x 37. Counties are shown in color but are not identified. Routes of railroads, canals, and National Road are shown. Towns are represented by dots, but names are not shown.