| Lat / long: | 42.0789, -90.84096 |
| Primary: | Lead |
| Ore: | Galena |
| Operation type: | Unknown |
| Production size: | Yes |
| Development status: | Past Producer |
| Host rock: | Hopkinton Dolomite |
| Host type: | Dolomite |
| MRDS | W044492 |
| DEP | 10082002 |
| Reference | {Deposit:: F1 < OWEN, D. D., 1844, REPORT OF A GEOLOGICAL EXPEDITION OF A PART OF IOWA, WISCONSIN, AND ILLINOIS IN 1839: U.S. 28TH CONGRESS, FIRST SESSION, SENATE EXECUTIVE DOCUMENT V. 7, NO. 407, 191 P., MAPS.}{Deposit:: HEYL, A. V., FIELD NOTES} |
| Reporter | Miller, M. |