Citations
Ordnance Survey policy statement no 19. The half-inch map, 1959-04, GBR/3296/Maps/CCSA.OS_189_1/19/3, OS_189_1/19/3. Cambridge University Library. |
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Ordnance Survey policy statement no 19. The half-inch map, 1959-04, GBR/3296/Maps/CCSA.OS_189_1/19/3, OS_189_1/19/3. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/243574 Accessed November 18, 2024. |