Altitudes Between Lake Superior and the Rocky Mountains
Catalogue of the Flora of Minnesota, Including Its Phaenogamous and Vascular Cryptogamous Plants, Indigenous, Naturalized, and Adventive
Collections of the Minnesota Historical Society Volume 14, pt.2
Minnesota geographic names
Minnesota Geographic Names
Minnesota in Three Centuries, 1655-1908, Volume 1
Minnesota in three centuries, 1655-1908
The glacial lake Agassiz