| Locality type: | Mine |
| 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 Ross Hannibal Mine (North Star Mine; Hannibal Mine; Mikado Mine), Lead Mining District, Lawrence County, South Dakota, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 13109 |
| Long-form Identifier: | 1:3:13109:0 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Gypsum |
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| 0.8km (0.5 miles) | ⓘBoscobel mine (Golden Reward group; Double Standard mine), Ruby Basin Mining District, Lawrence County, South Dakota, USA |
| 30.9km (19.2 miles) | ⓘTilford Mine (U.S. Gypsum Company Mine), Unorganized mining district [4], Meade County, South Dakota, USA |
| 34.4km (21.4 miles) | ⓘU.S. Gypsum Piedmont Operation, Unorganized mining district [4], Meade County, South Dakota, USA |
| 36.9km (22.9 miles) | ⓘVore Buffalo Jump sinkhole, Bear Lodge Mining District, Crook County, Wyoming, USA |
| 45.9km (28.5 miles) | ⓘWildcat Cave, Rapid City, Pennington County, South Dakota, USA |
| 48.9km (30.4 miles) | ⓘBrooks Cave, Rapid City, Pennington County, South Dakota, USA |
| 61.0km (37.9 miles) | ⓘBig Chief Mine, Glendale, Keystone Mining District, Pennington County, South Dakota, USA |
| 64.4km (40.0 miles) | ⓘHell Canyon, Dewey, Custer County, South Dakota, USA |
| 66.1km (41.1 miles) | ⓘJewel Cave, Jewel Cave National Monument, Custer County, South Dakota, USA |
| 68.4km (42.5 miles) | ⓘBull Moose Mine, Custer, Custer Mining District, Custer County, South Dakota, USA |
| References |
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