Reference Type | - plain text - |
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Year | 1950 |
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Original Entry | Hoppin, Richard Arthur & L.A. Norman (1950), Commercial “black granite” of San Diego County, California Calif. Iv. Mines Special Report 3, 19 pp. |
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Mindat Ref. ID | 16157717 | Long-form Identifier | mindat:1:5:16157717:9 |
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GUID | dd8ae009-e2e8-4e1c-a044-a85ccd28be64 |
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Full Reference | Hoppin, Richard Arthur & L.A. Norman (1950), Commercial “black granite” of San Diego County, California Calif. Iv. Mines Special Report 3, 19 pp. |
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Plain Text | Hoppin, Richard Arthur & L.A. Norman (1950), Commercial “black granite” of San Diego County, California Calif. Iv. Mines Special Report 3, 19 pp. |
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