Citations
The Ordnance Survey annual report 1971-72, 1972, GBR/3296/Maps/CCSA.OS_130_18, OS_130_18. Cambridge University Library. |
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The Ordnance Survey annual report 1971-72, 1972, GBR/3296/Maps/CCSA.OS_130_18, OS_130_18. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/242938 Accessed April 30, 2025. |