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. Counties (Generalized) (ID:1)
Count: 3141
Extent:

XMin: -19839095.5886167
YMin: 2145730.1601614
XMax: -7454984.98946784
YMax: 11542629.1047076
Spatial Reference: 102100 (3857)