| Locality type: | Prospect |
| Classification |
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| Type: | Granite |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Granite data |
| Locality Data: | Click here to view Sonny Boy Prospect, Custer Mining District, Custer County, South Dakota, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 1048274 |
| Long-form Identifier: | 1:3:1048274:4 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Granite |
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| 5.1km (3.2 miles) | ⓘLittle Spar Mine, Custer Mining District, Custer County, South Dakota, USA |
| 5.4km (3.3 miles) | ⓘRives Lode, Custer Mining District, Custer County, South Dakota, USA |
| 5.8km (3.6 miles) | ⓘI X L Lode No. 3 Feldspar Prospect, Custer Mining District, Custer County, South Dakota, USA |
| 6.1km (3.8 miles) | ⓘO K No. 4 Lode Occurrence, Custer Mining District, Custer County, South Dakota, USA |
| 6.9km (4.3 miles) | ⓘMitchell No. 2 Lode Occurrence, Custer Mining District, Custer County, South Dakota, USA |
| 8.0km (5.0 miles) | ⓘWhite Cloud Prospect, Custer Mining District, Custer County, South Dakota, USA |
| 9.2km (5.7 miles) | ⓘPhelps Lode (Roosevelt Lode), Custer Mining District, Custer County, South Dakota, USA |
| 9.7km (6.1 miles) | ⓘFriday Lode Occurrence, Custer Mining District, Custer County, South Dakota, USA |
| 10.0km (6.2 miles) | ⓘIndependence No. 1 Lode Occurrence, Custer Mining District, Custer County, South Dakota, USA |
| 10.1km (6.2 miles) | ⓘIndependence Lode Occurrence, Custer Mining District, Custer County, South Dakota, USA |
| References |
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