Layer Estimates:

Layer: SENATE2012_ARC (ID:0)
Count: 387
Extent:

XMin: -8185695.20925932
YMin: 5046378.04761067
XMax: -7781062.90094295
YMax: 5294994.53280366
Spatial Reference: 102100 (3857)

Layer: SENATE2012_POLY (ID:1)
Count: 40
Extent:

XMin: -8185695.20925932
YMin: 5046377.70134704
XMax: -7781062.90094295
YMax: 5294994.53280366
Spatial Reference: 102100 (3857)