Layer Estimates:

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

XMin: -17608125.0449945
YMin: 2237819.33387287
XMax: -7656889.87834087
YMax: 9568526.99163494
Spatial Reference: 102100 (3857)

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

XMin: -17611199.9237325
YMin: 2162833.40984155
XMax: -7469230.86511466
YMax: 11173422.8752397
Spatial Reference: 102100 (3857)

Layer: Counties (ID:2)
Count: 3141
Extent:

XMin: -19839094.0401585
YMin: 2145730.09836346
XMax: -7454985.08692139
YMax: 11542624.8635828
Spatial Reference: 102100 (3857)

Layer: States (ID:3)
Count: 51
Extent:

XMin: -19839094.0401585
YMin: 2145730.09836346
XMax: -7454985.08692139
YMax: 11542624.8635828
Spatial Reference: 102100 (3857)