Citations
"Holly Bank Colliery", 1920, GBR/3296/Maps/Maps.RLY.2502, Maps.RLY.2502. Cambridge University Library. |
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"Holly Bank Colliery", 1920, GBR/3296/Maps/Maps.RLY.2502, Maps.RLY.2502. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/266645 Accessed January 23, 2025. |