| Lat / long: | 42.50862, -90.70456 |
| Primary: | Lead |
| Ore: | Galena |
| Operation type: | Unknown |
| Production size: | Yes |
| Development status: | Past Producer |
| Host type: | Dolomite |
| MRDS | W044528 |
| DEP | 10082028 |
| Reference | {Deposit:: F1 < CALVIN, SAMUEL, AND BAIN, H. F., 1900, GEOLOGY OF DUBUQUE COUNTY, IOWA: IOWA GEOLOGICAL SURVEY REPORT [1899], V. 10, P. 379-622.}{Deposit:: F2 < 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.} |
| Reporter | Miller, M. |