| Ref No | LKE/PH/1/B/8/007 |
| Alt Ref No | 8 SEP 66 |
| Title | Portwrinkle: Whitsand Bay: 1000 yard mark |
| Description | Sighting mark at 1000 yards for Tregantle Fort built by Mr Westlake. |
| Date | 17 Sep 1966 |
| Physical Description | 35mm Kodachrome colour slide |
| Format | Photograph |
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