Layer Estimates:

Layer: rivers (ID:0)
Count: 98
Extent:

XMin: -5120763.76687452
YMin: 4812578.85122788
XMax: 2046592.75523661
YMax: 18503366.7655016
Spatial Reference: 28355 (28355)

Layer: cities (ID:1)
Count: 2540
Extent:

XMin: -5120763.76739793
YMin: 2958919.55172758
XMax: 6120763.76766118
YMax: 19059900.7491812
Spatial Reference: 28355 (28355)

Layer: lakes (ID:2)
Count: 38
Extent:

XMin: -5120763.76625119
YMin: 7466065.39013397
XMax: -1030351.02914172
YMax: 18137612.2436153
Spatial Reference: 28355 (28355)