3da95acf-8f2e-4497-986b-e55f9d2c0844 urn:uuid eng UTF-8 nonGeographicDataset nonGeographicDataset 2025-12-20T19:40:21 creation ISO 19115 2016 DOT Bathymetry Composite Surfaces Index 3da95acf-8f2e-4497-986b-e55f9d2c0844 This dataset provides an overview of the extent of the publically available raster format hydrographic surveys owned by DoT. Raster surveys include multibeam, laser and lidar surveys. The extents shown are minimum bounding boxes. The dataset does not include surveys held by DOT but owned by a third party e.g. Port Authorities. {"type": "Polygon", "coordinates": [[[113.230589, -35.035634], [122.257476, -35.035634], [122.257476, -17.982539], [113.230589, -17.982539], [113.230589, -35.035634]]]} 113.230589 122.257476 -35.035634 -17.982539 DOT Downloadable Data WA australia bathymetry coast depth hydrography levels marine ocean sea singlebeam survey Unnamed resource documentDigital HTML