Layer Estimates:

Layer: Culvert System (ID:0)
Count: 159
Extent:

XMin: 469653.6223
YMin: 6969197.2526
XMax: 515786.1569
YMax: 7026799.9748
Spatial Reference: 7856 (7856)

Layer: Transport Polygon (ID:1)
Count: 635
Extent:

XMin: 468379.1691
YMin: 6969100.841
XMax: 520325.6312
YMax: 7028969.4329
Spatial Reference: 7856 (7856)

Layer: Marine Arcs (ID:2)
Count: 634
Extent:

XMin: 496897.7604
YMin: 6979058.1067
XMax: 520506.4765
YMax: 7012991.5792
Spatial Reference: 7856 (7856)

Layer: Marine Polygon (ID:3)
Count: 157
Extent:

XMin: 492783.6178
YMin: 6979892.6933
XMax: 516413.5838
YMax: 7013570.2679
Spatial Reference: 7856 (7856)