Wisconsin's forest resources - Stone, Robert N.; Thorne, Harry W.; Lake States Forest Experiment Station (Saint Paul, Minn.); Wisconsin. Conservation Department. (Saint Paul, Minn, Lake States Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1961)
https://www.biodiversitylibrary.org/bibliography/81165
Keywords: Forests and forestry|Statistics|Timber|Wisconsin|