Cook County, IL Gold Mines
Gold Mines in Cook County, IL
| Mine | Owner | Land Status | Work Type | Minerals |
|---|---|---|---|---|
| (Facility) Simmons Precious Metals Refinery | Simmons Refining Co. | Private | Gold |
| Mine | Owner | Land Status | Work Type | Minerals |
|---|---|---|---|---|
| (Facility) Simmons Precious Metals Refinery | Simmons Refining Co. | Private | Gold |