Layer Estimates:

Layer: Block Groups (ID:0)
Count: 6
Extent:

XMin: -8456833.53190317
YMin: 5176993.78431167
XMax: -8454197.93070353
YMax: 5178605.87922141
Spatial Reference: 102100 (3857)

Layer: Study Area (ID:1)
Count: 8
Extent:

XMin: -8455257.69268422
YMin: 5177828.3841268
XMax: -8454202.27220891
YMax: 5178360.66353697
Spatial Reference: 102100 (3857)

Layer: Greater Study Area (ID:2)
Count: 2
Extent:

XMin: -8456833.53190317
YMin: 5176993.78431167
XMax: -8454197.93070353
YMax: 5178605.87922141
Spatial Reference: 102100 (3857)

Layer: Johnson City (ID:3)
Count: 1
Extent:

XMin: -8458537.16624217
YMin: 5175037.21851537
XMax: -8454197.93060074
YMax: 5182966.79273541
Spatial Reference: 102100 (3857)