Layer Estimates:

Layer: river_pts (ID:0)
Count: 957
Extent:

XMin: -8536737.6374
YMin: 4441994.6183
XMax: -8511894.5278
YMax: 4460092.1739
Spatial Reference: 102100 (3857)

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

XMin: -8537428.6404
YMin: 4441994.2111
XMax: -8510377.2865
YMax: 4460103.2841
Spatial Reference: 102100 (3857)