A ridge, usually of rocks or coral, lying near the surface of the sea, which may be visible at low tide, but is usually covered with water
Data Dictionary for reef_poly: apps.linz.govt.nz/topo-data-dictionary/index.aspx?...
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 and replaces the NZMS260 series.
Further information on Topo50:
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You must attribute the creator in your own works.
|Category||Topographic > NZ Topo 50 Data > Hydrography|
|Metadata||ISO 19115/19139, Dublin Core|
|Data type||Vector polygon||Feature count||6|
|Attributes||t50_fid, name_ascii, macronated, name, compositn|
|Services||Vector Query API, Web Feature Service (WFS), Catalog Service (CS-W), data.govt.nz Atom Feed|