Lake Self, Evelyn, Ida; Little Ida; Lake Catherine; Lake Georgina: bathymetry / 
Irwin, J.
De Main, W. L.
New Zealand Oceanographic Institute.
[Wellington] :  Department of Scientific and Industrial Research, 
1985.
Landward topography shown by unrectified air photographs.
New Zealand Oceanographic Institute, lake chart series.
No area added entries.