Layer Estimates:

Layer: PA Counties (ID:0)
Count: 67
Extent:

XMin: -8975385.63579726
YMin: 4819719.95624414
XMax: -8307026.89617935
YMax: 5204068.56359606
Spatial Reference: 102100 (3857)

Layer: Adjacent States (ID:1)
Count: 39
Extent:

XMin: -9442137.49518378
YMin: 4375284.43392862
XMax: -7784378.40014305
YMax: 5669742.78097127
Spatial Reference: 102100 (3857)