Layer Estimates:

Layer: River_Network (ID:0)
Count: 358
Extent:

XMin: 11284178.4830122
YMin: 456148.901008021
XMax: 11345962.1487285
YMax: 527884.960426772
Spatial Reference: 102100 (3857)

Layer: Watershed_Boundary (ID:1)
Count: 1
Extent:

XMin: 11280283.2294017
YMin: 453126.335698134
XMax: 11346052.6380284
YMax: 530858.534775506
Spatial Reference: 102100 (3857)