History of Mining and Quarrying in Minnesota

Man in the Ice Age at Lansing, Kansas, and Little Falls, Minnesota

Ice Age in North America and Its Bearing upon the Antiquity of Man. 5th Ed. with Many New Maps and Illus. , Enl. and Rewritten to Incorporate the Facts That Bring It up to Date, with Chapters on Lake Agassiz and the Probable Cause of Glaciation

Catalogue of the Flora of Minnesota, Including Its Phaenogamous and Vascular Cryptogamous Plants, Indigenous, Naturalized, and Adventive

Minnesota in Three Centuries, 1655-1908; Volume 1

The Upper Beaches and Deltas of the Glacial Lake Agassiz

Catalogue of the Flora of Minnesota

Minnesota in Three Centuries, 1655-1908 Volume 2

Minnesota in Three Centuries, 1655-1908 Volume 3

Minnesota Geographic Names

Minnesota in Three Centuries, 1655-1908, Vol. 1 (Classic Reprint)