Citations
1:25,000 2nd Series: sheet titles to be adopted for the series, 1971-01, GBR/3296/Maps/CCSA.OS_150_1, OS_150_1. Cambridge University Library. |
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1:25,000 2nd Series: sheet titles to be adopted for the series, 1971-01, GBR/3296/Maps/CCSA.OS_150_1, OS_150_1. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/243218 Accessed April 29, 2025. |