Layer Estimates:

Layer: CONUS_Counties_joined (ID:0)
Count: 3108
Extent:

XMin: -13888562.9503928
YMin: 2817280.86723512
XMax: -7452828.07061468
YMax: 6340334.05580189
Spatial Reference: 102100 (3857)

Layer: County_travel_distance_header_deleted.csv (ID:1)
Count: 2670