Kōrero: Coal and coal mining

Bord and pillar mining

Bord and pillar mining

This diagram shows the traditional method of bord and pillar mining. Miners extracted coal along roadways or bords, with the coal between the bords acting as pillars holding up the roof. The outer pillars were then mined, leaving the roof to collapse in a controlled way as the miners retreated towards the exit.

Te whakamahi i tēnei tūemi

Te Ara - The Encyclopedia of New Zealand

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Te tuhi tohutoro mō tēnei whārangi:

Alan Sherwood and Jock Phillips, 'Coal and coal mining - The miners’ work', Te Ara - the Encyclopedia of New Zealand, http://www.TeAra.govt.nz/mi/diagram/7445/bord-and-pillar-mining (accessed 25 October 2021)

He kōrero nā Alan Sherwood and Jock Phillips, i tāngia i te 12 Jun 2006, reviewed & revised 14 Apr 2021, updated 1 Sep 2016