20230327 16484000 1.0 TRUE Airborne Geophysical Surveys of Tasmania (Mineral Resources Tasmania) Spatial index of open file airborne geophysical surveys for which digital data is held. <DIV STYLE="text-align:Left;font-size:12pt"><P><SPAN>Spatial index (polygons) of airborne geophysical surveys for which digital data is held, with summary attributes including survey name, operator, contractor, processor, acquisition dates, platform and sensor. Many surveys have associated digital elevation data from radar altimetry. Includes magnetic, radiometric, electromagnetic and LiDAR survey data.</SPAN></P></DIV>