Atlas plate 49. Longitude west from Greenwich and Washington, D.C. Possibly a map from: Colton’s Atlas of America, 1856, according to an early cataloger’s note.16 X 18 inchesJPEGUMN_ALMA:9961144070001701engJ.H. Colton & Co.; New YorkPublicMinnesotaMapsMinnesota1855University of Minnesota