Layer Estimates:

Layer: Bus Routes (ID:0)
Count: 127
Extent:

XMin: -9783494.899134
YMin: 5107775.32221435
XMax: -9743319.69489169
YMax: 5170746.59839557
Spatial Reference: 102100 (3857)

Layer: Rail Lines (ID:1)
Count: 153
Extent:

XMin: -9785189.0035291
YMin: 5119483.0067515
XMax: -9752239.43825602
YMax: 5171943.67951123
Spatial Reference: 102100 (3857)

Layer: Rail Accessibility (0.5 mi) (ID:2)
Count: 1
Extent:

XMin: -9786268.59679887
YMin: 5118402.52282932
XMax: -9751163.18202196
YMax: 5173030.16986283
Spatial Reference: 102100 (3857)

Layer: Bus Accessibility (0.5 mi) (ID:3)
Count: 1
Extent:

XMin: -9784571.70878759
YMin: 5106696.14138733
XMax: -9742243.55658965
YMax: 5171832.9537262
Spatial Reference: 102100 (3857)

Layer: Chicago City Boundary (ID:4)
Count: 1
Extent:

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

Layer: Census Tracts (ID:5)
Count: 926
Extent:

XMin: -9791655.82756215
YMin: 5104610.77121473
XMax: -9743090.00863823
YMax: 5173202.7611834
Spatial Reference: 102100 (3857)