Layer Estimates:

Layer: AreaHydrography (ID:0)
Count: 19974
Extent:

XMin: -8902858.23268767
YMin: 4922383.31887836
XMax: -7966727.1509274
YMax: 5625122.51801122
Spatial Reference: 102100 (3857)

Layer: LinearHydrography (ID:1)
Count: 151192
Extent:

XMin: -8905004.17582967
YMin: 4927463.27969615
XMax: -7982548.6818505
YMax: 5624910.9242468
Spatial Reference: 102100 (3857)