university-of-minnesota 1. Map of Minnesota : school and other state lands, for sale in 1917 1919. Preus, J. A. O.(Jacob Aall Ottesen),1883-1961.
university-of-minnesota 2. Map showing peat deposits of Itasca County, Minnesota 1919. Minnesota Geological Survey. Scale not given (W 94°25ʹ00ʺ--W 93°03ʹ00ʺ/N 47°53ʹ00ʺ--N 47°01ʹ00ʺ). "Plate IV" in upper right corner. [From Bulletin No. 16, 1919, The Peat Deposi...