Citations
A preliminary list of Ordnance Survey of Northern Ireland maps published at 1:50,000, 1:63,360, 1:126,720, and 1:253,440', 1990-05, GBR/3296/Maps/CCSA.IM_427_1, IM_427_1. Cambridge University Library. |
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A preliminary list of Ordnance Survey of Northern Ireland maps published at 1:50,000, 1:63,360, 1:126,720, and 1:253,440', 1990-05, GBR/3296/Maps/CCSA.IM_427_1, IM_427_1. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/239370 Accessed November 14, 2024. |