Layer Estimates:

Layer: Chicago_Weather_Stations (ID:0)
Count: 16
Extent:

XMin: 1007281.63203373
YMin: 1586426.98896927
XMax: 1214195.056022
YMax: 1943692.23628344
Spatial Reference: 102671 (3435)

Layer: Chicago Marathon Route (ID:1)
Count: 26
Extent:

XMin: 1163102.86554233
YMin: 1881803.79974049
XMax: 1178436.25843191
YMax: 1926238.47989982
Spatial Reference: 102671 (3435)