Roads were digitized from a 2017 LIDAR-derived hillshade since the existing layers did not line up well with the LIDAR. Roads were split into 100 meter segments, upper and lower elevations were extrac
Topographic Slope grid represents the slope angle (in degree) of an area of seabed. It was created from the bathymetry grid obtained from the survey onboard the Mattew Flinders in 2011. Please see the
