Layer Estimates:

Layer: Cities (ID:0)
Count: 3557
Extent:

XMin: -17608126.2915004
YMin: 2237819.33414081
XMax: -7656889.78387916
YMax: 9568529.59048987
Spatial Reference: 102100 (3857)

Layer: Highways (ID:1)
Count: 679
Extent:

XMin: -17611199.9237
YMin: 2162833.4098
XMax: -7469230.8651
YMax: 11173422.8752
Spatial Reference: 102100 (3857)

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

XMin: -19839094.0402
YMin: 2145730.0984
XMax: -7454985.0869
YMax: 11542624.8636
Spatial Reference: 102100 (3857)