20m Contour layer clipped to the Tararua District sourced from LiNZ Data Portal.An imaginary line that connects points of equal height value eg the elevation of the land surface above or below a vertical datum, in this case of LINZ topographic mapping, this is Mean Sea Level.Data Dictionary for contour: Topo data dictionary (linz.govt.nz)This layer is a component of the Topo50 map series. The Topo50 map series provides topographic mapping for the New Zealand mainland, Chatham and New Zealand's offshore islands, at 1:50,000 scale.Further information on Topo50:Topo50 Map Chooser | Toitū Te Whenua - Land Information New Zealand (linz.govt.nz)
