Doug Beckers:
Elkhorn drain - north side
Doug Beckers:
Elkhorn drain - south side
Doug Beckers:
Tomago ring drain - east side of Slade's gate
Doug Beckers:
Tomago ring drain - west side of Slade's gate
Doug Beckers:
Tomago ring drain - east side Casuarina Track culvert
Doug Beckers:
FG 3.180 Tomago ring drain