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abstract
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The GEODATA 9 Second Digital Elevation Model (DEM-9S) Version 3 is a grid of ground level elevation points covering the whole of Australia with a grid spacing of 9 seconds in longitude and latitude (approximately 250 metres) in the GDA94 coordinate system. GEODATA 9 Second Flow Direction Grid (D8-9S) is a corresponding grid describing the principal directions of surface drainage across the whole of Australia. Access at https://ecat.ga.gov.au/geonetwork/srv/eng/catalog.search?node=srv#/metadata/66006
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