| Lat / long: | 42.03611, -94.24054 |
| Primary: | Clay, Bituminous |
| Operation type: | Underground |
| Development status: | Past Producer |
| MAS | 190730016 |
| DEP | 10193693 |
| Reference | {Deposit:: UNDERCLAY BENEATH THE COAL AND SHALE OVERLYING THE COAL ARE}{Deposit:: PRIMARY PRODUCTS}{Deposit:: IOWA GEOL SURVEY 1908 ANNUAL REPORT VOL 19, P 358}{Deposit:: ABANDONED MINE MAP IN IOWA GEOL SURVEY FILES} |
| Reporter | Igs / Dh |