Citations
Ordnance Survey technical paper no 19. The changing tasks and methods of the surveyor, 1969-09, GBR/3296/Maps/CCSA.FJ_204_3/6, FJ_204_3/6. Cambridge University Library. |
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Ordnance Survey technical paper no 19. The changing tasks and methods of the surveyor, 1969-09, GBR/3296/Maps/CCSA.FJ_204_3/6, FJ_204_3/6. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/246130 Accessed November 14, 2024. |