Layer Estimates:

Layer: U.S. Cities (ID:0)
Count: 3149
Extent:

XMin: -17595368.2658353
YMin: 2236711.48218437
XMax: -7568252.35155798
YMax: 9573980.22500772
Spatial Reference: 102100 (3857)

Layer: U.S. National Transportation Atlas Interstate Highways (ID:1)
Count: 233
Extent:

XMin: -17598509.1267246
YMin: 2424999.45711992
XMax: -7545365.97470303
YMax: 8893658.87675794
Spatial Reference: 102100 (3857)