Citations
GSGS 2742 1:20,000 Trench map sheet 28SW&SE (parts of), edition 2, GBR/3296/Maps/CCSA.IM_L136_11, IM_L136_11. Cambridge University Library. |
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GSGS 2742 1:20,000 Trench map sheet 28SW&SE (parts of), edition 2, GBR/3296/Maps/CCSA.IM_L136_11, IM_L136_11. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/240801 Accessed November 16, 2024. |