Citations
Ordnance Survey of Great Britain. This diagram shows the percentage of basic-scale digital coverage within 1:10,000 sheet lines available up to 31-3-87, 1987-03, GBR/3296/Maps/CCSA.OS_328_20, OS_328_20. Cambridge University Library. |
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Ordnance Survey of Great Britain. This diagram shows the percentage of basic-scale digital coverage within 1:10,000 sheet lines available up to 31-3-87, 1987-03, GBR/3296/Maps/CCSA.OS_328_20, OS_328_20. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/244385 Accessed April 29, 2025. |