File:Bowditch 1958 Figure 131 Sumner Line.jpg
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Captions
Sumner line
Summary edit
| Description |
English: Plot of the original Sumner line (1837) in the approach to St George's Channel between SW Wales and SE Ireland. Figure 131 from the 1958 edition of the American Practical Navigator |
| Date | |
| Source | https://archive.org/details/bowditch-1958-american-practical-navigator/page/55 |
| Author | U.S. Navy Hydrographic Office |
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This work is in the public domain in the United States because it is a work prepared by an officer or employee of the United States Government as part of that person’s official duties under the terms of Title 17, Chapter 1, Section 105 of the US Code.
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| This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. | ||
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