Layer Estimates:

Layer: NGA_World_Port_Index_(WPI)_2014 (ID:0)
Count: 3689
Extent:

XMin: -19744367.0170336
YMin: -14288862.1843888
XMax: 19967005.9986202
YMax: 14878959.8892217
Spatial Reference: 102100 (3857)