Exploratory Trip Through the St. Croix and Burntwood Rivers
Map
Schoolcraft, Henry Rowe. Narrative of an expedition through the upper Mississippi to Itasca Lake: the actual source of this river: embracing an exploratory trip through the St. Croix and Burntwood (or Broule) Rivers: in 1832. New York: Harper, 1833, t.p. 1834.