Thiel, G. A. (1944). The geology and underground waters of southern Minnesota. The University of Minnesota press.
Chicago Style (17th ed.) CitationThiel, George A. The Geology and Underground Waters of Southern Minnesota. Minneapolis: The University of Minnesota press, 1944.
MLA (9th ed.) CitationThiel, George A. The Geology and Underground Waters of Southern Minnesota. The University of Minnesota press, 1944.
Warning: These citations may not always be 100% accurate.