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The constant danger of mining accidents encouraged the formation of trained rescue squads, such as this group at Denniston, and led the industry to develop its own codes of practice.
Te whakamahi i tēnei tūemi
Reference: 1/2-048994; F
Permission of the Alexander Turnbull Library, National Library of New Zealand, Te Puna Mātauranga o Aotearoa, must be obtained before any re-use of this image.