Greg Harewood’s 50K Topo USB is the essential mapping toolkit for anyone serious about navigating or working in this iconic Australian region
Feature Details Title Asia & Adjacent Areas Wall Map Series National Geographic single-sheet regional overview Original Publication 1959 (December) Scale 1:21
Folded dimensions: 140 mm x 250 mmBig enough to take in the whole continent in a single glance
practical usability
or navigating border crossings on a grand Indochina journey
6130 Verran 1:100k Topographic Map Classroom Map Greg Harewood’s 50K Topo USBAt a scale of 1: 100,000, 1cm on the map represents 1km on the ground. Each map covers a minimum area of 0. 5 degrees longitude by 0. 5 degrees latitude or about 54 kilometres by 54 kilometres. The contour interval is 20 metres. Many maps are supplemented by hill shading. Topographic maps show contours, spot elevations, streams, roads, buildings, place names, vegetation and administrative boundaries. They are used by emergency services, environmental