Layer Estimates:

Layer: rivers (ID:0)
Count: 315
Extent:

XMin: 4086127.0701831
YMin: -121869.741982374
XMax: 4164915.14571987
YMax: -65155.3958752447
Spatial Reference: 102100 (3857)

Layer: waterbodies (ID:1)
Count: 102
Extent:

XMin: 4093824.8018395
YMin: -119171.631840262
XMax: 4159044.19756361
YMax: -79733.1034424831
Spatial Reference: 102100 (3857)