Layer Estimates:

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

XMin: -80.5198509999237
YMin: 39.7197990001238
XMax: -74.6895609996404
YMax: 42.516071999823
Spatial Reference: 4269 (4269)

Layer: Senate Districts (ID:1)
Count: 50
Extent:

XMin: -80.5193816524239
YMin: 39.7198519995959
XMax: -74.6895590343787
YMax: 42.2693414971356
Spatial Reference: 4269 (4269)