An edition of 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 (1855)

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. By authority of the United States. With appendices, comprising ... all of the official reports and scientific papers of both expeditions.

By Henry Rowe Schoolcraft