| Lat / long: | 42.66668, -90.50011 |
| Primary: | Zinc |
| Secondary: | Lead, Cadmium |
| Tertiary: | Copper, Barium-Barite |
| Ore: | Barite, Chalcocite, Chalcopyrite, Galena, Marcasite, Sphalerite |
| Gangue: | Dolomite, Quartz |
| Orebody form: | TABULAR, LINEAR |
| Discovery year: | 1750 |
| Operation type: | Unknown |
| Production size: | Medium |
| Development status: | Producer |
| First production started: | 1750 |
| Host rock: | Galena Formation Dolomite;Decorah Formation Dolomite, Limestone;Platteville Formation Limestone, Dolomite;Prarie Du Chien Group Dolomite |
| Host type: | Dolomite |
| Structure: | Wisconsin Arch To The East, Illinois Basin To The South, Forest City Basin To The West |
| MRDS | W019010 |
| DEP | 10073161 |
| Reference | {Deposit:: HEYL, A. V., 1968, THE UPPER MISSISSIPPI VALLEY BASE - METAL DISTRICT; IN RIDGE, J. D. ED., ORE DEPOSITS OF THE U.S., 1933 - 1967, V. 1, P 431 - 459}{Deposit:: VARIOUS AUTHORS, 1961 - 1966, GEOLOGY OF PARTS OF THE UPPER MISSISSIPPI VALLEY ZINC - LEAD DIST.; U. S. GEOL. SURV. BULL. 1123 A - I}{Production:: WORLD MINING 6 - 25 - 76 P. 194. RAUSCH AND MARIACHER, 1970, AIME SYMP. PB - ZN V. 1 P. 910, 914. HEYL, A. V., 1968, U. MISS. VALLEY DIST.; IN ORE DEPOSITS OF U. S. 1933 - 1967, P. 434, 435}{Reserve-Resource:: ENGINEERING AND MINING JOURNAL 1 - 77 P. 143} |
| Reporter | Sutphin, David M., Mason Jr., G.T., Schruben, Paul G. |