Kōrero: Irrigation and drainage

Ngā whakaahua, ngā rauemi katoa

Me pēnei te tohu i te whārangi:

Terry Heiler, 'Ngā whakaahua, ngā rauemi katoa', Te Ara - the Encyclopedia of New Zealand, http://www.TeAra.govt.nz/mi/irrigation-and-drainage/media (accessed 19 September 2019)

Story by Terry Heiler, published 24 Nov 2008