The architectural, structural, and monumental stones of Minnesota., by George A. Thiel and Carl E. DuttonGeorge A. Thiel · First published 1935Open the Tome
The geology and underground waters of northeastern MinnesotaGeorge A. Thiel · First published 1947Open the Tome
Sedimentary and petrographic analysis of the St. Peter sandstoneGeorge A. Thiel · First published 1935Open the Tome
The limestones and marls of MinnesotaClinton R. Stauffer, George A. Thiel · First published 1933Open the Tome
GeologyWilliam H. Emmons, Ira Shimmin Allison, Ira S. Allison, Clinton R. Stauffer, George A. Thiel · First published 1932Open the Tome