Citations
Northumbrian water authority: Kielder water scheme. Report on horizontal control survey for Derwent-Tees tunnels by Geodetic Services Division Ordnance Survey of Great Britain, 1974-07, GBR/3296/Maps/CCSA.FJ_206_7, FJ_206_7. Cambridge University Library. |
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Northumbrian water authority: Kielder water scheme. Report on horizontal control survey for Derwent-Tees tunnels by Geodetic Services Division Ordnance Survey of Great Britain, 1974-07, GBR/3296/Maps/CCSA.FJ_206_7, FJ_206_7. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/238935 Accessed May 15, 2025. |