Layer Estimates:

Layer: capitals_web2 (ID:0)
Count: 51
Extent:

XMin: -17566683.1020715
YMin: 2429747.62969479
XMax: -7762276.19329516
YMax: 8049395.56184292
Spatial Reference: 102100 (3857)

Layer: rivers_Simplify_web2 (ID:1)
Count: 55
Extent:

XMin: -18341377.4795437
YMin: 2993455.18980721
XMax: -7546517.39355458
YMax: 11203512.8929814
Spatial Reference: 102100 (3857)

Layer: states_Simplify_web2 (ID:2)
Count: 51
Extent:

XMin: -19838806.0412604
YMin: 2146082.18921886
XMax: -7546520.79075585
YMax: 10953299.8510625
Spatial Reference: 102100 (3857)