Citations
Sinking a shaft at Trinity Cobalt mine, 1909, GBR/0115/RCS/Fisher 15/3180. Cambridge University Library. |
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Sinking a shaft at Trinity Cobalt mine, 1909, GBR/0115/RCS/Fisher 15/3180. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/174965 Accessed April 29, 2024. |