Layer Estimates:

Layer: river (ID:0)
Count: 1
Extent:

XMin: -12467785.5167476
YMin: 4655635.9857558
XMax: -10033222.8515487
YMax: 6133778.70165875
Spatial Reference: 102100 (3857)

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

XMin: -19838975.9013232
YMin: 804303.843952317
XMax: 20012566.0911595
YMax: 18418382.3289231
Spatial Reference: 102100 (3857)