The Geology of the Upper Mississippi Valley Zinc-lead District Allen Van Heyl Published: 1959 Total Pages: 332 Get eBook
Zinc and Lead Deposits of the Upper Mississippi Valley Harry Foster Bain Published: 1907 Total Pages: 182 Get eBook
Zinc-lead-copper Resources and General Geology of the Upper Mississippi Valley District Published: 1955 Total Pages: 28 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
Geology of the Potosi Quadrangle, Grant County, Wisconsin, and Dubuque County, Iowa Jesse W. Whitlow Published: 1966 Total Pages: 52 Get eBook
Geology of the Dodgeville and Mineral Point Quadrangles, Wisconsin Jack Allingham Published: 1963 Total Pages: 96 Get eBook