1. Summary narrative of an exploratory expedition to the sources of the Mississippi River in 1820: resumed and completed by the discovery of its origin in Itasca Lake, in 1832.;Schoolcraft,1855
2. Spruce-Fir, Maple-Basswood Competition in Itasca Park, Minnesota
3. The role of fire in the perpetuation of virgin forests of northern Wisconsin.;Maissurow;Journal of Forestry,1941
4. Ecological effects of forest fires
5. The potential natural vegetation of the conterminous United States.;Küchler;American Geographical Society Special Research Publication No.,1964