Old map of United States. Detailed map of the continental United States and part of Canada indicating drainage, international, state and county boundaries, cities and towns, railroads, with names along each line. Railroads under construction are indicated by dashed lines. [From published bibliography] Created by G.W. & C.B. Colton & Co in 1882. * 7949 U.S. Copyright Office * Scale 1:2,217,600; 35 miles = 1 in. * Relief shown by hachures. * Inset: Mexico.