A measured water depth or spot which has been reduced to a vertical datum (may be a drying height). S-57 Object Class: Sounding S-57 Acronym: SOUNDG This data was compiled for the use in the scale range 1:350,000 to 1:1,500,000. THIS DATA DOES NOT REPLACE NAUTICAL CHARTS AND MUST NOT BE USED FOR NAVIGATION. This data is based on the S-57 data format used...

A structure erected as a memorial. Data Dictionary for monument_pnt: https://docs.topo.linz.govt.nz/data-dictionary/tdd-class-monument_pnt.html 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...

This index enables you to identify the freely available bathymetric data held and used by LINZ on its NZ coastal nautical charts. Some of our data holdings date back to the 1930s. The polygons comprising the index show the extent of the survey datasets. The attributes attached to each polygon will enable you to view, amongst other attributes, the age and...

A structure used for the storage of fluids Data Dictionary for tank_pnt: https://docs.topo.linz.govt.nz/data-dictionary/tdd-class-tank_pnt.html 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...

A tall framework or structure, the elevation of which is functional Data Dictionary for tower_pnt: https://docs.topo.linz.govt.nz/data-dictionary/tdd-class-tower_pnt.html 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...

This layer provides the extents of the data incorporated into an adjustment which has been completed as a Wide Area Cadastral Adjustment (WACA). These adjustments are undertaken in areas where there is already substantial survey-accurate data, but there are some inconsistencies in the data resulting from small changes to geodetic control coordinates...

An artificial bank of earth and or stone built above the natural surface Data Dictionary for embankment_cl: https://docs.topo.linz.govt.nz/data-dictionary/tdd-class-embankment_cl.html 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...

A sheet of salt water separated from the open sea by sand, shingle banks or a road embankment. The sheet of water between an offshore reef, esp. of coral, and mainland. The sheet of water within a ring or horseshoe shaped atoll. Data Dictionary for lagoon_poly: https://docs.topo.linz.govt.nz/data-dictionary/tdd-class-lagoon_poly.html This layer is a...

Polygon for each Topo50 map sheet holding extents of each sheet, it's sheet code, name, edition, and revision statement. This is the same information that is printed on each Topo50 map Data Dictionary for linz_map_sheet: https://docs.topo.linz.govt.nz/data-dictionary/tdd-class-linz_map_sheet.html This layer is a component of the Topo250 map series. The...

Ship building or landing slip Data Dictionary for slipway_cl: https://docs.topo.linz.govt.nz/data-dictionary/tdd-class-slipway_cl.html 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...

Reservoir; receptacle in which a large quantity of water is stored Data Dictionary for reservoir_poly: https://docs.topo.linz.govt.nz/data-dictionary/tdd-class-reservoir_poly.html 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,...

A tidal stream (or tidal current) is an alternating horizontal movement of water associated with the rise and fall of the tide caused by tide-producing forces. Approximate tidal stream rates may be given as discrete rate values at a specified interval before or after a high water. S-57 Object Class: Tidal stream panel data S-57 Acronym: TS_PAD This data...

An area containing at least one runway, used for landing, take-off, and movement of aircraft. -57 Object Class: Airport/airfield S-57 Acronym: AIRARE This data was compiled for the use in the scale range 1:22,000 to 1:90,000. THIS DATA DOES NOT REPLACE NAUTICAL CHARTS AND MUST NOT BE USED FOR NAVIGATION. This data is based on the S-57 data format used in...

An artificial open waterway used for transportation, waterpower or irrigation. Data Dictionary for canal_cl: https://docs.topo.linz.govt.nz/data-dictionary/tdd-class-canal_cl.html 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,...

A tract of land covered by vegetation less that 3m high Data Dictionary for scrub_poly: https://docs.topo.linz.govt.nz/data-dictionary/tdd-class-scrub_poly.html 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....

An excavation in the Earth for the purpose of extracting minerals. Data Dictionary for mine_pnt: https://docs.topo.linz.govt.nz/data-dictionary/tdd-class-mine_pnt.html 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...

a sudden descent of water over a step or ledge in the bed of a river. Data Dictionary for waterfall_pnt: https://docs.topo.linz.govt.nz/data-dictionary/tdd-class-waterfall_pnt.html 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,...

A buoy is a floating object moored to the bottom in a particular place, as an aid to navigation or for other specific purposes. A cardinal buoy is used in conjunction with the compass to indicate where the mariner may find the best navigable water. It is placed in one of the four quadrants (North, East, South and West), bounded by inter-cardinal bearings...

An excavation or pit, usually open to the air, from which building stone or the like is obtained by cutting, blasting etc Data Dictionary for quarry_poly: https://docs.topo.linz.govt.nz/data-dictionary/tdd-class-quarry_poly.html This layer is a component of the Topo50 map series. The Topo50 map series provides topographic mapping for the New Zealand...

A wrecked vessel, either submerged or visible which is attached to or foul of the bottom or cast up on the shore; or a greatly disabled or damaged vehicle Data Dictionary for wreck_pnt: https://docs.topo.linz.govt.nz/data-dictionary/tdd-class-wreck_pnt.html This layer is a component of the Topo50 map series. The Topo50 map series provides topographic...