Shows county boundaries as of 1873, railroads, cities and towns, and extent of surveyed townships with Public Land Survey coordinates.; At base of map: "Entered according to Act of Congress in the year 1867 by G.W. & C.B. Colton & Co. in the Clerks Office of the District Court of the United States for the Southern District of New York."; Probably detached from an atlas in which the map occupies plate no. 76-77.; Prime meridians: Greenwich and Washington, D.C.; Includes continuation of the northeast portion of Minnesota as inset on plate no. 76. 74 x 112 centimeters Scale approximately 1:2,534,400 General Map Collection