Layer Estimates:

Layer: cities (ID:0)
Count: 50
Extent:

XMin: -17572629.673839
YMin: 2428251.37244519
XMax: -7767447.00550813
YMax: 8044965.53586736
Spatial Reference: 102100 (3857)

Layer: rivers (ID:1)
Count: 1135
Extent:

XMin: -18484871.8412662
YMin: 2979208.82259922
XMax: -7505060.54965774
YMax: 11374962.6626266
Spatial Reference: 102100 (3857)

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

XMin: -19942589.2489759
YMin: 2144545.98336388
XMax: 20012451.3374071
YMax: 11536825.9867285
Spatial Reference: 102100 (3857)