Layer Estimates:

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

XMin: -8644403.73806072
YMin: 4429292.501099
XMax: -8413861.07262785
YMax: 4524899.02459555
Spatial Reference: 102100 (3857)

Layer: Mainline (ID:1)
Count: 11
Extent:

XMin: -8644403.73806072
YMin: 4429304.68026426
XMax: -8413861.07262785
YMax: 4524899.02459555
Spatial Reference: 102100 (3857)