Kaikoura / prepared by the Cartographic Branch, Department of Lands and Survey and published by the Water and Soil Division of the Ministry of Works and Development for the National Water and Soil Conservation Organisation, New Zealand ; compiled by N Williams from field work by N Williams, G. Smith, R. Prickett and M.Harvey Ministry of Works and Development; A. Wright and C. Duck Marlborough Catchment Board; D. Saunders and D. Wethey, North Canterbury Catchment Board.