Epsomite from Illinois Basin, North America Plate
USA | |
| Goldstein, Alan (1997) Famous Mineral Localities: The Illinois-Kentucky Fluorite District. The Mineralogical Record, 28 (1) 3-49 |
Mineralogical Record (1997) 28:3-49 | |
| Erd, Richard C., Greenberg, Seymour S. (1960) Minerals of Indiana. Bulletin 18. Indiana Geological Survey |
| Erd, Richard C., Greenberg, Seymour S. (1960) Minerals of Indiana. Bulletin 18. Indiana Geological Survey |
| Erd, Richard C., Greenberg, Seymour S. (1960) Minerals of Indiana. Bulletin 18. Indiana Geological Survey |
| Erd, Richard C., Greenberg, Seymour S. (1960) Minerals of Indiana. Bulletin 18. Indiana Geological Survey |
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