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Regional geophysical surveys
GSWA provides georeferenced images of regional datasets (often merged with previously flown data from government and non-confidential company surveys), and preliminary grids and images from surveys in progress.
GSWA has an arrangement with Geoscience Australia (GA) whereby final point-located (‘vector’) data and grids from regional surveys can be downloaded free of charge from GA's Geophysical Archive Data Delivery System (GADDS). The data on physical media can be purchased from GA's Sales Centre.
ECW files can be viewed using ER Viewer or various GIS applications. Download ER Viewer free of charge from ERDAS.