Gypsum from Cave-in-Rock Mining Sub-District, Hardin County, Illinois, USA
USA | |
| Mineralogical Record, v. 28, no. 1, 1997 |
| Goldstein, A. (2005): Re-examination of some minerals from the Cave-in-Rock area. Mineral News, 21(4), 1-5 Mineralogical Record (1997) 28:3-49 12. |
Mineralogical Record (1997) 28:3-49 | |
Mineralogical Record (1997) 28:3-49 | |
| Mineralogical Record (1997) 28:3-49 |