The Geology of the Upper Mississippi Valley Zinc-lead District Allen Van Heyl Published: 1959 Total Pages: 332 Get eBook
Geology of Parts of the Upper Mississippi Valley Zinc-lead District Geological Survey (U.S.) Published: 1960 Total Pages: 571 Get eBook
Geology of the Montfort and Linden Quadrangles, Wisconsin John E. Carlson Published: 1961 Total Pages: 54 Get eBook
Geology of the Cuba City, New Diggings, and Shullsburg Quadrangles Wisconsin and Illinois Thomas Ellison Mullens Published: 1964 Total Pages: 116 Get eBook