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  • A relatively permanent walled and roofed construction. Data Dictionary for building_pnt: http://apps.linz.govt.nz/topo-data-dictionary/index.aspx?page=class-building_pnt This layer is a component of the Ant50 map series. This is the topographic mapping carried out at 1:50,000 scale by LINZ within the Ross Dependency, Antarctica.

  • A closed depression formation forming a closed loop and representing an area of lower ground of less than the vertical interval. Data Dictionary for depform_edge: http://apps.linz.govt.nz/topo-data-dictionary/index.aspx?page=class-depform_edge This layer is a component of the Ant50 map series. This is the topographic mapping carried out at 1:50,000 scale by LINZ within the Ross Dependency, Antarctica.

  • Meltwater_stream; a flow of water that is supplied by melting glacier ice; a "glacial stream" often grayish-white in colour because of the "rock flour"resulting from glacial erosion. Data Dictionary for melt_stream_cl: https://docs.topo.linz.govt.nz/data-dictionary/tdd-class-melt_stream_cl.html This layer is a component of the Ant50 map series. This is the topographic mapping carried out at 1:50,000 scale by LINZ within the Ross Dependency, Antarctica.

  • A naturally formed, subterranean open area or chamber. Data Dictionary for cave_pnt: http://apps.linz.govt.nz/topo-data-dictionary/index.aspx?page=class-cave_pnt This layer is a component of the Ant50 map series. This is the topographic mapping carried out at 1:50,000 scale by LINZ within the Ross Dependency, Antarctica.

  • An area set aside for the landing of helicopters Data Dictionary for helipad_pnt: http://apps.linz.govt.nz/topo-data-dictionary/index.aspx?page=class-helipad_pnt This layer is a component of the Ant50 map series. This is the topographic mapping carried out at 1:50,000 scale by LINZ within the Ross Dependency, Antarctica.

  • Descriptive text; object used to hold text. Data Dictionary for descriptive_text: http://apps.linz.govt.nz/topo-data-dictionary/index.aspx?page=class-descriptive_text This layer is a component of the Ant50 map series. This is the topographic mapping carried out at 1:50,000 scale by LINZ within the Ross Dependency, Antarctica.

  • A relatively permanent walled and roofed construction. Data Dictionary for building_pnt: https://docs.topo.linz.govt.nz/data-dictionary/tdd-class-building_pnt.html This layer is a component of the Ant50 map series. This is the topographic mapping carried out at 1:50,000 scale by LINZ within the Ross Dependency, Antarctica.

  • An accumulation of boulders, stones or other debris carried and deposited by a glacier. Data Dictionary for moraine_poly: https://docs.topo.linz.govt.nz/data-dictionary/tdd-class-moraine_poly.html This layer is a component of the Ant50 map series. This is the topographic mapping carried out at 1:50,000 scale by LINZ within the Ross Dependency, Antarctica.

  • Low point or opening between hills or mountains Data Dictionary for saddle_pnt: https://docs.topo.linz.govt.nz/data-dictionary/tdd-class-saddle_pnt.html This layer is a component of the Ant50 map series. This is the topographic mapping carried out at 1:50,000 scale by LINZ within the Ross Dependency, Antarctica.

  • The Ant50 map series provides topographic mapping within the Ross Dependency, Antarctica Digital images of the maps are also publicly available from http://www.linz.govt.nz/topography/topo-maps/antarctic-topo50-map-series Georeferenced raster digital images are provided at a resolution of 300 DPI. Georeferencing allows adjacent maps to be accurately and automatically aligned within GIS systems. For more information, and a description of the georeferencing keys: http://www.linz.govt.nz/topography/topo-maps/topo50/digital-images