| Lat / long: | 42.4653, -94.15994 |
| Primary: | Clay |
| Operation type: | Surface |
| Development status: | Past Producer |
| MAS | 191870108 |
| DEP | 10194177 |
| Reference | {Deposit:: IOWA GEOLOGICAL SURVEY ANNUAL REPORTS 1940-1941, VOL. 38, P. 339-}{Deposit:: 341.} |
| Reporter | Igs / Dh |