The Ant50 map series provides topographic mapping within the Ross Dependency, Antarctica
Digital images of the maps are also publicly available from www.linz.govt.nz/topography/topo-maps/antarctic-to...
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: