Video file
Watch 1950s footage explaining how a border dyke irrigation system on the Canterbury Plains works.
Te whakamahi i tēnei tūemi
Archives New Zealand - Te Rua Mahara o te Kāwanatanga
Reference: Canterbury is a Hundred. National Film Unit, 1950
Permission of Archives New Zealand Te Rua Mahara o te Kāwanatanga must be obtained before any re-use of this material.