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: http://apps.linz.govt.nz/topo-data-dictionary/index.aspx?page=class-contour Although captured and presented at 1:25,000 this layer, for all intents and purposes, forms part of the Topo50 map series. Further information on Topo50: http://www.linz.govt.nz/topography/topo-maps/topo50

Geographic name holds the proper noun of certain objects within the Topo databases. Geographic_name does not apply to roads, railway lines, or descriptive text - eg 'Brunner Mine' would be a Geographic_name but 'mine disused' is held in the descriptive_text feature Data Dictionary for geographic_name: https://docs.topo.linz.govt.nz/data-dictionary/tdd-class-geographic_name.html Although captured and presented at 1:25,000 this layer, for all intents and purposes, forms part of the Topo50 map series. Further information on Topo50: http://www.linz.govt.nz/topography/topo-maps/topo50

Area of dry or relatively dry land surrounded by water or low wetland Data Dictionary for island_poly: http://apps.linz.govt.nz/topo-data-dictionary/index.aspx?page=class-island_poly Although captured and presented at 1:25,000 this layer, for all intents and purposes, forms part of the Topo50 map series. Further information on Topo50: http://www.linz.govt.nz/topography/topo-maps/topo50

A natural, flowing body of water emptying into an ocean, lake or other body of water and usually fed along it's course by converging tributaries. Data Dictionary for river_cl: http://apps.linz.govt.nz/topo-data-dictionary/index.aspx?page=class-river_cl Although captured and presented at 1:25,000 this layer, for all intents and purposes, forms part of the Topo50 map series. Further information on Topo50: http://www.linz.govt.nz/topography/topo-maps/topo50

Descriptive text; object used to hold text. Data Dictionary for descriptive_text: https://docs.topo.linz.govt.nz/data-dictionary/tdd-class-descriptive_text.html Although captured and presented at 1:25,000 this layer, for all intents and purposes, forms part of the Topo50 map series. Further information on Topo50: http://www.linz.govt.nz/topography/topo-maps/topo50

Any standing body of fresh inland water. Data Dictionary for lake_poly: http://apps.linz.govt.nz/topo-data-dictionary/index.aspx?page=class-lake_poly Although captured and presented at 1:25,000 this layer, for all intents and purposes, forms part of the Topo50 map series. Further information on Topo50: http://www.linz.govt.nz/topography/topo-maps/topo50

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: https://docs.topo.linz.govt.nz/data-dictionary/tdd-class-contour.html Although captured and presented at 1:25,000 this layer, for all intents and purposes, forms part of the Topo50 map series. Further information on Topo50: http://www.linz.govt.nz/topography/topo-maps/topo50

Coastal rocks; rocks between high and low tide Data Dictionary for rock_poly: https://docs.topo.linz.govt.nz/data-dictionary/tdd-class-rock_poly.html Although captured and presented at 1:25,000 this layer, for all intents and purposes, forms part of the Topo50 map series. Further information on Topo50: http://www.linz.govt.nz/topography/topo-maps/topo50

A high, steep or overhanging face or rock. Can be rock. Data Dictionary for cliff_edge: https://docs.topo.linz.govt.nz/data-dictionary/tdd-class-cliff_edge.html Although captured and presented at 1:25,000 this layer, for all intents and purposes, forms part of the Topo50 map series. Further information on Topo50: http://www.linz.govt.nz/topography/topo-maps/topo50

Coastal rocks; rocks between high and low tide Data Dictionary for rock_poly: http://apps.linz.govt.nz/topo-data-dictionary/index.aspx?page=class-rock_poly Although captured and presented at 1:25,000 this layer, for all intents and purposes, forms part of the Topo50 map series. Further information on Topo50: http://www.linz.govt.nz/topography/topo-maps/topo50