Citations
OR 2186 Diagram showing limits of the 'national grid' and the Irish (Cassini) grid, 1955, GBR/3296/Maps/CCSA.OS_329_19/1, OS_329_19/1. Cambridge University Library. |
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OR 2186 Diagram showing limits of the 'national grid' and the Irish (Cassini) grid, 1955, GBR/3296/Maps/CCSA.OS_329_19/1, OS_329_19/1. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/244417 Accessed April 28, 2025. |