Australia Maps from Omni Resources. The Australian Surveying and Land Information Group is Australia's national mapping agency, specialising in surveying, mapping, information systems and consultancy services. Its range of products includes aerial photography, satellite imagery, topographic and tourist maps, atlases, thematic maps and other related publications.
Publication dates Variable.
Each map covers about 150 kilometres from east to west and 110 kilometres from north to south. Contour interval 50 meters. Number of sheets 540 sheets for total coverage. Listing of Quadrangles Click here to order individual sheets. Many sheets are supplemented by relief shading.