Citations
Grassmoor Colliery, 1878, GBR/3296/Maps/Maps.Ms_Plans.693(13), Maps.Ms_Plans.693(13). Cambridge University Library. |
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Grassmoor Colliery, 1878, GBR/3296/Maps/Maps.Ms_Plans.693(13), Maps.Ms_Plans.693(13). Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/267520 Accessed April 11, 2025. |