File:PA Marcellus Shale Formation.jpg
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Size of this preview: 800 × 522 pixels. Other resolutions: 320 × 209 pixels | 801 × 523 pixels.
Original file (801 × 523 pixels, file size: 253 KB, MIME type: image/jpeg)
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 01:39, 26 April 2012 | | 801 × 523 (253 KB) | Kilken e (talk | contribs) |
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