Reference Type | - plain text - |
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Original Entry | Spurr, J. E. and G. E. Garrey. 1908. Economic geology of the Georgetown quadrangle (together with the Empire District), Colorado. U. S. Geological Survey Professional Paper 63: 1–422. |
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Mindat Ref. ID | 16302755 | Long-form Identifier | mindat:1:5:16302755:9 |
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GUID | 63885d44-ae1f-48cd-8cad-055e7b4ea629 |
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Full Reference | Spurr, J. E. and G. E. Garrey. 1908. Economic geology of the Georgetown quadrangle (together with the Empire District), Colorado. U. S. Geological Survey Professional Paper 63: 1–422. |
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Plain Text | Spurr, J. E. and G. E. Garrey. 1908. Economic geology of the Georgetown quadrangle (together with the Empire District), Colorado. U. S. Geological Survey Professional Paper 63: 1–422. |
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