Images of DOT bathymetric composite surfaces (LIDAR, multibeam and Laser) with colour ramp and hill shading applied. This polygon feature class represents the extents of the composite surface surveys created from all multibeam, laser and lidar surveys loaded into the Bathymetric Information System managed by Coastal Information Branch, DoT, Fremantle.

This feature class also contains URLs to the Composite Surface 32 bit tif files stored on Amazon S3 for public download.