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Topographic map of Tweed Heads region, New South Wales, and Coolangatta region, Queensland, showing buildings, roads, tracks, fences and lighthouses, water channels, windmills, cemeteries, timbers, scrubs, trig. stations, intersected points, and altitudes, bridges, culverts, waterholes, swamps or marshes, creeks, watercourses, railways, cuttings, embankments, telegraph or telephone lines. Relief shown by contours and spot heights. Depths shown by bathymetric isolines.
Surveyed in 1931 by the Australian Survey Corps with aid of air photos by the Royal Australian Air Force.
1931