Citations
Ordnance Survey surveyors instructions. Module 3: superseded pages and amendments, 1982 - 1985, GBR/3296/Maps/CCSA.OS_151_5, OS_151_5. Cambridge University Library. |
|
Ordnance Survey surveyors instructions. Module 3: superseded pages and amendments, 1982 - 1985, GBR/3296/Maps/CCSA.OS_151_5, OS_151_5. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/243285 Accessed April 29, 2025. |