Layer Estimates:

Layer: Geographic names (ID:1)
Count: 211
Extent:

XMin: 18464463.5329352
YMin: -6608692.01711427
XMax: 18519329.8528503
YMax: -6530480.82004829
Spatial Reference: 102100 (3857)

Layer: Historic sites (ID:2)
Count: 8
Extent:

XMin: 18480502.4276803
YMin: -6594168.71222922
XMax: 18512903.4466499
YMax: -6531212.4524236
Spatial Reference: 102100 (3857)

Layer: 100m (ID:4)
Count: 704
Extent:

XMin: 18464509.3091326
YMin: -6608701.71813735
XMax: 18514182.0010868
YMax: -6531238.25292784
Spatial Reference: 102100 (3857)

Layer: 20m (ID:5)
Count: 704
Extent:

XMin: 18464509.3091326
YMin: -6608701.71813735
XMax: 18514182.0010868
YMax: -6531238.25292784
Spatial Reference: 102100 (3857)

Layer: Mean Sea Level (ID:6)
Count: 271
Extent:

XMin: 18464406.8880271
YMin: -6608717.42249439
XMax: 18519667.8690266
YMax: -6530612.01951974
Spatial Reference: 102100 (3857)

Layer: Bathymetry (50m) (ID:7)
Count: 2154
Extent:

XMin: 18240554.8263572
YMin: -6784924.47492512
XMax: 18624296.3867164
YMax: -6400320.85222538
Spatial Reference: 102100 (3857)