Layer Estimates:

Layer: Major Rivers (ID:0)
Count: 64
Extent:

XMin: -13748962.973
YMin: 5992273.4642
XMax: -13645515.7759
YMax: 6131955.021
Spatial Reference: 102100 (3857)

Layer: Watershed Boundaries (ID:1)
Count: 60
Extent:

XMin: -13750340.2157
YMin: 5989082.0864
XMax: -13641166.3799
YMax: 6132600.8991
Spatial Reference: 102100 (3857)

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

XMin: -13750340.2157
YMin: 5989082.0864
XMax: -13641166.3799
YMax: 6132600.8991
Spatial Reference: 102100 (3857)