| Locality type: | Canyon |
| Classification |
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| Species: | Gypsum |
| Formula: | CaSO4 · 2H2O |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Gypsum data |
| Locality Data: | Click here to view Hell Canyon, Dewey, Custer County, South Dakota, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 385166 |
| Long-form Identifier: | 1:3:385166:1 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Gypsum |
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| 1.7km (1.1 miles) | ⓘJewel Cave, Jewel Cave National Monument, Custer County, South Dakota, USA |
| 23.4km (14.5 miles) | ⓘBull Moose Mine, Custer, Custer Mining District, Custer County, South Dakota, USA |
| 35.2km (21.9 miles) | ⓘWind Cave, Wind Cave National Park, Custer County, South Dakota, USA |
| 36.6km (22.8 miles) | ⓘHot Point Mine, Red Canyon, Edgemont Uranium Mining District, Fall River County, South Dakota, USA |
| 38.3km (23.8 miles) | ⓘBig Chief Mine, Glendale, Keystone Mining District, Pennington County, South Dakota, USA |
| 40.3km (25.1 miles) | ⓘRunge Mine, Edgemont Uranium Mining District, Fall River County, South Dakota, USA |
| 40.8km (25.3 miles) | ⓘHot Springs Gypsum, Unorganized mining district [2], Fall River County, South Dakota, USA |
| 42.0km (26.1 miles) | ⓘGrant Robinson Mine (Baker Plaster Company; U.S. Gypsum Company; Hot Springs Plaster Company), Unorganized mining district [2], Fall River County, South Dakota, USA |
| 45.2km (28.1 miles) | ⓘHot Springs, Fall River County, South Dakota, USA |
| 49.6km (30.8 miles) | ⓘGet Me Rich Mine, Craven Canyon, Edgemont Uranium Mining District, Fall River County, South Dakota, USA |
| References |
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