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Summary
| Description |
English: Isopach map of the Ordovician graptolitic argillite in northern Estonia. |
| Date | |
| Source | http://pubs.usgs.gov/sir/2005/5294/pdf/sir5294_508.pdf |
| Author | John R. Dyni for the U.S. Geological Survey (adapted from Loog and others (1996, their fig. 1) |
Licensing
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This image is in the public domain in the United States because it only contains materials that originally came from the United States Geological Survey, an agency of the United States Department of the Interior. For more information, see the official USGS copyright policy.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 11:42, 18 April 2014 | | 897 × 479 (55 KB) | Beagel | User created page with UploadWizard |
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