Mitchell, S. Augustus (Samuel Augustus), 1792-1868Relief shown by hachures. Prime meridian: Washington. Insets: Baltimore -- Steamboat routes. "Entered according to Act of Congress in the year 1846 by H.N. Burroughs, in the Eastern District of Pennsylvania." In lower right margin: 15.25 x 35 centimetersJPEGUMN_ALMA:9912612920001701engS.A. Mitchell (Philadelphia)PublicA new map of Maryland and Delaware : with their canals, roads & distances.MapsDelawareMaryland1846University of Minnesota