McClure and Clemence were deep-well sinkers operating in Christchurch around 1920. The river gravels beneath the city contain aquifers in layers of porous gravels. In places the water is under pressure and will naturally flow to the surface if a well is sunk – as is illustrated by this gushing well.
Te whakamahi i tēnei tūemi
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.