Layer Estimates:

Layer: PA Air Basins (ID:0)
Count: 14
Extent:

XMin: -8963342.50798978
YMin: 4825555.04410889
XMax: -8317923.68494325
YMax: 5193295.16415666
Spatial Reference: 102100 (3857)

Layer: DEP_Regions (ID:1)
Count: 6
Extent:

XMin: -8963378.55379926
YMin: 4825316.22225768
XMax: -8314403.86241321
YMax: 5201420.09234736
Spatial Reference: 102100 (3857)