Layer Estimates:

Layer: ChicagoBoundaries_ProjectedWeb (ID:0)
Count: 1
Extent:

XMin: -9789448.72
YMin: 5107881.5524
XMax: -9743142.3745
YMax: 5164431.1375
Spatial Reference: 102100 (3857)

Layer: Chicago Boundaries (ID:1)
Count: 1
Extent:

XMin: -9789448.71994391
YMin: 5107881.55247214
XMax: -9743142.37448723
YMax: 5164431.137547
Spatial Reference: 102100 (3857)