| Lat / long: | 41.75832, -87.86672 |
| Primary: | Perlite |
| Operation type: | Processing Plant |
| Development status: | Producer |
| MAS | 170319903 |
| DEP | 10120537 |
| Reference | {Deposit:: RCF/CMS LISTS 10/81}{Deposit:: MSHA MIF LIST 12/13/82} |
| Reporter | Eastern Field Operations Center (EFOC) |