Citations
Ordnance Survey : an introduction to the projection for Ordnance Survey maps and the national reference system, 1951 - 1968, GBR/3296/Maps/CCSA.OS_152_11, OS_152_11. Cambridge University Library. |
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Ordnance Survey : an introduction to the projection for Ordnance Survey maps and the national reference system, 1951 - 1968, GBR/3296/Maps/CCSA.OS_152_11, OS_152_11. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/243300 Accessed May 07, 2025. |