Summary narrative of an exploratory expedition to the sources of the Mississippi River, in 1820 [microform] : resumed and completed, by the discovery of its origin in Itasca Lake, in 1832 ... : with appendices, comprising the original report on the copper mines of Lake Superior, and observations on the geology of the lake basins, and the summit of the Mississippi : together with all the official reports and scientific papers of both expeditions ...
Schoolcraft, Henry Rowe,1793-1864.
Philadelphia : Lippincott, Grambo, and co.,
1855.
Sabin 77878.
Sabin Group 40.
Microfiche.
Geology
Mines and mineral resources