| Lat / long: | 38.68338, -86.71527 |
| Primary: | Gypsum-Anhydrite |
| Ore: | Anhydrite, Gypsum |
| Gangue: | Calcite, Chlorite, Dolomite, Illite, Quartz |
| Orebody form: | LINEAR |
| Discovery year: | 1951 |
| Operation type: | Unknown |
| Deposit type: | Sedimentary |
| Production size: | Large |
| Development status: | Producer |
| First production started: | 1955 |
| Host rock: | St. Louis Limestone (Lower Member) |
| Host type: | Evaporite |
| Structure: | Cincinnati Arch Trends Nw-Se Through North Central Indiana. |
| Tectonic: | Illinois Basin-Shallow Marine Environment Southwest Of Cincinnati Arch. |
| Alteration processes: | Dissolution And Leaching By Ground Water May Remove Some Gypsum |
| MRDS | W032229 |
| DEP | 10080847 |
| Reporter | Sutphin, David M. |