Layer Estimates:

Layer: US_MX_BorderCounty_Outline (ID:0)
Count: 1
Extent:

XMin: -13092405.7599
YMin: 2978918.0404
XMax: -10807935.8903
YMax: 3962531.1822
Spatial Reference: 102100 (3857)

Layer: US_MX_BorderCounties (ID:1)
Count: 44
Extent:

XMin: -13090744.9545692
YMin: 2978953.29013243
XMax: -10814195.0512638
YMax: 3962531.04870775
Spatial Reference: 102100 (3857)