20231120 22190400 1.0 TRUE 3D Seismic survey polygons (DMIRS-035) This dataset is a reference system for petroleum exploration 3D seismic surveys conducted in Western Australia. NOTE: Since 1 January 2012 the offshore (commonwealth water) have been managed by NOPTA in collaboration with Geoscience Australia and delivered through NOPIMS system. The WA State 3D seismic surveys are updated on a regular basis. License: Other (Non-Commercial) Tags: 3D Seismic, Exploration, Petroleum, Seismic Contact: petdata@dmirs.wa.gov.au