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Sphalerite
W.L. Davis-Deardorff Mine, Ozark-Mahoning group, Cave-in-Rock Sub-District, Hardin County, Illinois, USA
6.0 x 8.9 cm
(Author: crosstimber)
| Dimensions: | 1600 x 1152 |
| File size: | 392.88 kbytes |
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