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USA | |
- Cave-In-Rock Mining Sub-District
| Mineralogical Record (1997) 28:3-49 |
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| Mineralogical Record (1997) 28:3-49 |
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| Philip Bluemner photo |
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| Mineralogical Record (1997) 28:3-49 |
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| Russ Rizzo Collection via Jared Freiburg (Saga Minerals) |
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| Mineralogical Record (1997) 28:3-49 |
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| Stuart Weller, Charles Butts, Louis W. Currier, Rollin D. Salisbury (1920) The geology of Hardin County, and the adjoining part of Pope County Illinois Geological Survey Bull. 41 |
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| Econ Geol (1994) 89:288-306 |
- Stewart Mining Sub-District
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| Goldstein, Alan (2006) Kentucky Mineral: Locality Index. Rocks & Minerals, 81 (6) 420-440 doi:10.3200/rmin.81.6.420-440 |
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| Goldstein, Alan (2006) Kentucky Mineral: Locality Index. Rocks & Minerals, 81 (6) 420-440 doi:10.3200/rmin.81.6.420-440 |
- Illinois - Kentucky Fluorspar Mining District
| direct observation, published references on the mineralogy of the district |
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| Goldstein, Alan (2006) Kentucky Mineral: Locality Index. Rocks & Minerals, 81 (6) 420-440 doi:10.3200/rmin.81.6.420-440 |
Hastie's Quarry, Spar Mountain, Cave-In-Rock Mining Sub-District, Hardin County, Illinois, USA