| Lat / long: | 42.4494, -94.13854 |
| Primary: | Clay |
| Operation type: | Surface |
| Development status: | Past Producer |
| MAS | 191870061 |
| DEP | 10291738 |
| Reference | {Deposit:: IOWA COUNTY MINE LOCATION BOOK IN IOWA GEOLOGICAL SURVEY FILES}{Deposit:: IOWA GEOLOGICAL SURVEY ANNUAL REPORTS 1940-1941, VOL. 38, P. 339-}{Deposit:: 343.} |
| Reporter | Igs / Dh |