Flamborough Head to Alnmouth east coat mine barrage. Confidential. ??
Scale: circa 1:200,000. Classification has been down-graded from "most secret". Mine barrage coloured in red and blue.
Object Details
| ID: | G218:11/7 |
|---|---|
| Collection: | Charts and maps |
| Type: | Chart |
| Display location: | Not on display |
| Creator: | United Kingdom Hydrographic Office (UKHO) |
| Places: | England |
| Date made: | 1918; 1919; 1918 1919 |
| Credit: | © Crown copyright. National Maritime Museum, Greenwich, London |
| Measurements: | Sheet: 104.3 cm x 100.6 cm |