Layer Estimates:

Layer: Major Rivers (ID:0)
Count: 3516
Extent:

XMin: -12781325.7247
YMin: 3828419.6838
XMax: -12139137.362
YMax: 4439108.5854
Spatial Reference: 102100 (3857)

Layer: NamedStreams (ID:1)
Count: 25693
Extent:

XMin: -12781325.7247
YMin: 3676031.2659
XMax: -12138863.6472
YMax: 4439109.2004
Spatial Reference: 102100 (3857)