1. Map of the general government roads in Minnesota and Wisconsin, September 1855 : accompanying annual report, Sept. 20th, 1855 Yale Public content 1855. 2002-11-20T21:41:25Z. 2016-11-29T22:11:27Z. United States. Army. Corps of Topographical Engineers. s.n.], Ackerman Lith.). English. Public. Roads and Minnesota.