Citations
Ordnance Survey : the projection for Ordnance Survey maps and plans and the national reference system, 1951, GBR/3296/Maps/CCSA.OS_152_9, OS_152_9. Cambridge University Library. |
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Ordnance Survey : the projection for Ordnance Survey maps and plans and the national reference system, 1951, GBR/3296/Maps/CCSA.OS_152_9, OS_152_9. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/243298 Accessed April 29, 2025. |