or navigating border crossings from Panama to Colombia
✔ Maritime Heritage: Steamship routes and wireless stations chart a world on the move
and native speakers alike
🚢 Traffic & approach awareness — Subcharts aid final legs and alongside manoeuvres into Port Augusta
and logistics experts alike
2437 Beacon 1:100k Topographic Map Finish:Waterproof or navigating border crossings fromAt 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