| Lat / long: | 41.47812, -90.89043 |
| Primary: | Flagstone |
| Operation type: | Surface |
| Development status: | Past Producer |
| MAS | 191390007 |
| DEP | 10193340 |
| Reference | {Deposit:: TWO OTHER QUARRIES IN SEC. 21, SWEETLAND TWP. AND SEC. 32,}{Deposit:: BLOOMINGTON TWP.}{Deposit:: IOWA GEOLOGICAL SURVEY, ANNUAL REPORT 1906, VOL. 17, P. 478.} |
| Reporter | Igs / Dh |