Citations
Ordnance Survey : an outline of the history and revision of 25-inch Ordnance Survey plans, 1932-09, GBR/3296/Maps/CCSA.OS_152_7, OS_152_7. Cambridge University Library. |
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Ordnance Survey : an outline of the history and revision of 25-inch Ordnance Survey plans, 1932-09, GBR/3296/Maps/CCSA.OS_152_7, OS_152_7. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/243296 Accessed April 29, 2025. |