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GEODATA 9 Second DEM is a gridded digital elevation model derived from topographic information that includes point elevation data, elevation contours, stream lines and cliff lines. The grid spacing is 9 seconds in longitude and latitude (approximately 250 metres).
GEODATA 9 Second DEM Version 2 data can now be downloaded free of charge from Geoscience Australia's Geophysical Archive Data Delivery System (GADDS) (www.ga.gov.au/gadds). DEM data available for download are in ER Mapper (ERS) format.
A national set of GEODATA 9 Second DEM Version 2 data can also be purchased from Geoscience Australia on CD-ROM for only $99.