| Lat / long: | 42.09001, -90.66682 |
| Primary: | Stone, Crushed/Broken |
| Operation type: | Surface |
| Development status: | Producer |
| MAS | 190970030 |
| DEP | 10145688 |
| Reference | {Deposit:: HOPKINTON FORMATION}{Deposit:: MSHA 1982 METAL-NONMETAL MINE FILE REF}{Deposit:: IOWA ST HWY COMM AGGREGATE RESOURCE LISTING 1977} |
| Reporter | Igs / Ck |