6070 Blue Mud Bay 1:100k Topographic Map Cruising Guide Main Chart — AUS 820:

Main Chart — AUS 820: Australia East Coast · Queensland · North Reef to Port Clinton

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6070 Blue Mud Bay 1:100k Topographic Map Cruising Guide Main Chart — AUS 820:At 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