Layer Estimates:

Layer: Electric_Substation (ID:0)
Count: 12370
Extent:

XMin: -9514905.614
YMin: 4156659.9788
XMax: -8059274.6723
YMax: 4999517.8149
Spatial Reference: 102100 (3857)

Layer: Power_Transmission_Line (ID:1)
Count: 4960
Extent:

XMin: -9282483.3318
YMin: 4375361.5555
XMax: -8057448.4269
YMax: 4999774.6014
Spatial Reference: 102100 (3857)