Data about Owhiro Bay Quarry
The Story of Owhiro Bay Quarry (written by Wellington City Council)
Aggregate Factfile
What is Quarrying?
National Geographic Encyclopedia - Quarry
https://wellington.govt.nz/recreation/outdoors/parks-and-reserves/outer-green-belt-reserves/te-kopahou-reserve
https://www.wgtn.ac.nz/news/2020/11/is-returning-a-quarry-site-to-its-natural-character-enough
RMA - Legal stuff
http://www.wharehine.nz/our-business/quarries/
https://www.ready.gov/volcanoes
https://www.usgs.gov/natural-hazards/volcano-hazards/about-volcanoes
https://www.minerals.net/GemStoneMain.aspx?Type=Color&ColorId=1