Shows Minn. county boundaries as of 1871, railroads, cities and towns, and extent of surveyed townships with Public Land Survey coordinates.; At base of Colton's Minnesota: "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."; At base of Colton's Wisconsin: "Entered according to Act of Congress in the Year 1855 by J.H. Colton & Co. in the Clerks Office of the Dist. Court of the U.S. for the Southn. Dist. of New York."; Probably detached from an atlas in which Colton's Minnesota occupies plate no. 69-70 and Colton's Wisconsin occupies plate no. 71.; Prime meridians: Greenwich and Washington, D.C.; Includes continuation of the northeast portion of Minnesota as inset on plate no. 69, inset map of the "Vicinity of Milwaukee" on plate no. 71, and ancillary maps showing in detail "The City of St. Louis, Missouri" and "The City of Chicago, Illinois" on plate no. 68. 59 x 42 centimeters and 36 x 31 centimeters, on sheet 71 x 40 centimeters Scale 1:1,140,000; Scale approximately 1:1,672,000 General Minnesota Maps