| Lat / long: | 42.5514, -90.76901 |
| Primary: | Zinc, Lead, Iron |
| Ore: | Galena, Limonite, Sphalerite |
| Operation type: | Unknown |
| Production size: | Yes |
| Development status: | Past Producer |
| Host rock: | Decorah Formation |
| Host type: | Dolomite |
| MRDS | W044524 |
| DEP | 10082025 |
| Reference | {Deposit:: F1 < HEYL, A. V., AGNEW, A. F., LYONS, E. J., AND BEHRE, C. H., JR., 1959, THE GEOLOGY OF THE UPPER MISSISSIPPI VALLEY ZINC-LEAD DISTRICT: U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 309, 310 P.}{Deposit:: F2 < FLINT, A. E., AND BROWN, C. E., 1955, GEOLOGY AND ZINC-LEAD DEPOSITS IN THE DURANGO AREA, DUBUQUE COUNTY, IOWA: U.S. GEOLOGICAL SURVEY MINERAL INVESTIGATIONS FIELD STUDIES MAP MF 33, 1:12,000.} |
| Reporter | Miller, M. |