| Lat / long: | 41.93001, -88.76335 |
| Primary: | Perlite |
| Tertiary: | Vermiculite |
| Operation type: | Processing Plant |
| Development status: | Producer |
| MAS | 170370012 |
| DEP | 10217323 |
| Reference | {Deposit:: RCF/CMS LISTS 10/81}{Deposit:: MSHA MIF LIST 12-13-82 (NON-MINING CLASSIFICATION)} |
| Reporter | Eastern Field Operations Center (EFOC) |