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Pine forests on the Canterbury Plains have been periodically flattened by gale-force winds. These mature radiata pines in Eyrewell forest were blown down on 1 August 1975, when nor-wester winds reached speeds of 170 kilometres per hour.
Te whakamahi i tēnei tūemi
Archives New Zealand - Te Rua Mahara o te Kāwanatanga
Reference: AAQA 6395 M11997
Permission of Archives New Zealand Te Rua Mahara o te Kāwanatanga must be obtained before any re-use of this material.