Introduced marram grass was planted extensively in the early 20th century to stabilise sand dunes. In this 1946 film clip, men lay sandbags to plug a breach in the sandbar at the mouth of the Whanganui River, then plant marram grass on the adjacent dunes to stop erosion.
Using this item
Archives New Zealand - Te Rua Mahara o te Kāwanatanga
Reference: Weekly Review 264. National Film Unit, 1946
Permission of Archives New Zealand Te Rua Mahara o te Kāwanatanga must be obtained before any re-use of this material.