Layer Estimates:

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

XMin: -17608123.443251
YMin: 2237818.92444521
XMax: -7656889.88117558
YMax: 9568526.53195095
Spatial Reference: 102100 (3857)

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

XMin: -17611198.3221558
YMin: 2162832.99706603
XMax: -7469230.93076981
YMax: 11173422.442771
Spatial Reference: 102100 (3857)

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

XMin: -19839092.3022287
YMin: 2145729.68528731
XMax: -7454985.15819696
YMax: 11542624.964829
Spatial Reference: 102100 (3857)

Layer: Counties (ID:3)
Count: 3141
Extent:

XMin: -19839092.3022287
YMin: 2145729.68528731
XMax: -7454985.15819696
YMax: 11542624.964829
Spatial Reference: 102100 (3857)