1. New township and railroad map of the state of Minnesota Maps University Of Minnesota Public content 1880. Minnesota State Board of Immigration. Cartographic Details: Scale [1:1,500,000] (W 97‚Å∞15 π--W 89‚Å∞30 π/N 49‚Å∞23 π--N 43‚Å∞ 30 π).Inset: Minnesota's continental position. 50 x 43 cen... State Board of Immigration (St. Paul, Minnesota).