Layer Estimates:

Layer: High Ground (based on 10m contour) (ID:1)
Count: 23
Extent:

XMin: 397625.6579
YMin: 7210711.0917
XMax: 454060.1256
YMax: 7287743.7719
Spatial Reference: 28356 (28356)

Layer: Possible Inundation Area (6m contour) (ID:2)
Count: 18
Extent:

XMin: 397739.244
YMin: 7210457.333
XMax: 462992.171
YMax: 7288531.994
Spatial Reference: 28356 (28356)