File:Londonderry Geological Map Portlock 1843.jpg
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Geological map of the County of Londonderry, and of Parts of Tyrone and Fermanagh
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This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 70 years or fewer. This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929. |
| This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. | |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 15:46, 14 June 2023 | | 17,526 × 21,079 (91.32 MB) | Kognos (talk | contribs) | Uploaded a work by J.E. Portlock (1794-1864) from Scan of foldout map from original book with UploadWizard |
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