Map of area covered by Minnesota, North Dakota, South Dakota, and parts of Iowa and Wisconsin. Atlas plate 49. Longitude west from Greenwich and Washington, D.C. Possibly a map from: Colton’s Atlas of the World, 1858, according to an early cataloger’s note.12.5 x 15.5 inchesJPEGUMN_ALMA:9965334220001701engJ.H. Colton & Co.; New YorkPublicMinnesotaMapsMinnesota1858University of Minnesota