Layer Estimates:

Layer: Docks (ID:0)
Count: 118
Extent:

XMin: -9648749.59096986
YMin: 4071735.8841266
XMax: -9373656.34320657
YMax: 4291264.51054806
Spatial Reference: 102100 (3857)

Layer: PrincipalPorts (ID:1)
Count: 2
Extent:

XMin: -9605481.22973897
YMin: 4077880.81222483
XMax: -9498538.15346668
YMax: 4168487.77853618
Spatial Reference: 102100 (3857)

Layer: NavigableWaterways (ID:2)
Count: 23
Extent:

XMin: -9660621.34590876
YMin: 4074996.29761848
XMax: -9368801.74022929
YMax: 4295893.81137676
Spatial Reference: 102100 (3857)