Prime meridians: Washington, D.C. & Greenwich.Below lower left margin: Entered according to Act of Congress in the year 1849 by W. Williams in the Clerks Office of the District Court of the Eastern District of Pennsylvania.Removed from: Williams, Wellington. Appleton's southern and western travellers' guide. New York: D. Appleton & Co., 1850.30 x 39 cmJPEGUMN_ALMA:9928930640001701engD. Appleton and Company (Philadelphia)PublicMap of the north-western states including Minnesota and the copper region of Lake SuperiorMapsMinnesotaWisconsinIowaMichigan1849University of Minnesota