Citations
The Ordnance Survey : an outline of its origin, and of the organisation & administration of its military side , 1932-02-24, GBR/3296/Maps/CCSA.OS_149_1, OS_149_1. Cambridge University Library. |
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The Ordnance Survey : an outline of its origin, and of the organisation & administration of its military side , 1932-02-24, GBR/3296/Maps/CCSA.OS_149_1, OS_149_1. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/243188 Accessed April 29, 2025. |