More links and websites
The website of New Zealand’s only salt producer.
The abstract of a 2002 paper by S. A. Skeaff and others, published in the European Journal of Clinical Nutrition.
More suggestions and sources
Pollard, J. S. ‘Salt from the sea: achieving the near impossible.’ In New Zealand is different: chemical milestones in New Zealand history, edited by D. Hogan and B. Williamson. Christchurch: Clerestory, 1999.
Reid, Jensen. Salt for New Zealand. Lake Grassmere: Dominion Salt, 1976.