Layer Estimates:

Layer: Tributaries (ID:0)
Count: 4701
Extent:

XMin: -8380185.89708249
YMin: 5550517.1520561
XMax: -8228596.90538162
YMax: 5686065.00783175
Spatial Reference: 102100 (3857)

Layer: Study Area (ID:1)
Count: 1
Extent:

XMin: -8333881.88104154
YMin: 5618990.03994656
XMax: -8277612.04188349
YMax: 5648291.04168119
Spatial Reference: 102100 (3857)