File:1977 Geologic Map of San Juan Quadrangle, Puerto Rico.jpg
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Summary
| Description |
English: Geologic map of the San Juan quadrangle, Puerto Rico |
| Date | |
| Source | https://ngmdb.usgs.gov/Prodesc/proddesc_8882.htm |
| Author | U.S. Geological Survey |
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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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 15:37, 14 September 2020 | | 2,837 × 2,548 (2.07 MB) | The Eloquent Peasant | Uploaded a work by U.S. Geological Survey from https://ngmdb.usgs.gov/Prodesc/proddesc_8882.htm with UploadWizard |
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