J.H. Colton & Co.Inset: Vicinity of Milwaukee. Prime meridians: Greenwich and Washington. "Entered according to Act of Congress in the year 1854 by J.H. Colton & Co. in the Clerks Office of the Dist. Court of the U.S. for the Southn. Dist. of New York."43 x 35 centimetersJPEGUMN_ALMA:9941762150001701engJ.H. Colton & Co. (New York)PublicWisconsinMapsWisconsin1854University of Minnesota