Layer Estimates:

Layer: RivCoGR_Points (ID:0)
Count: 639
Extent:

XMin: -13083986.4291
YMin: 3953750.8203
XMax: -12755981.1362
YMax: 4031209.879
Spatial Reference: 102100 (3857)

Layer: RivCoGR_Lines (ID:1)
Count: 231
Extent:

XMin: -13080852.6037
YMin: 3959363.9825
XMax: -12931326.6583
YMax: 4029319.4034
Spatial Reference: 102100 (3857)