1. Sketch of the public surveys in the territory of Minnesota Maps University Of Minnesota Public content 1856. Emerson, Charles L., Lithy, Graham, and United States. General Land Office. Cartographic Details: Scale 1:1,140,480. 18 miles to an in. From: U.S. 35th Cong., 1st sess., 1857-1858. Senate doc. -- volume 5, no. 11. -- (Seria...