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The complete file Contours - 5 metre - Queensland - by area of interest cannot be downloaded as a single file. You must extract data by local government area, city or suburb (locality) or freehand over small areas. Instructions are here.
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10m Contours
You can download 10m contours from the Qld Spatial Catalogue. The Contours - 10 metre interval - by area of interest cannot be downloaded as a single file. You must extract data dataset must be extracted by local government area, city or suburb (locality) or freehand over small areas. The whole dataset is too large. Instructions on how to clip zip and ship an extract are here.
To view 10m contours in the Qld Globe:
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