Layer Estimates:

Layer: County (ID:0)
Count: 15
Extent:

XMin: -12781257.8104691
YMin: 3675955.20758003
XMax: -12138853.02835
YMax: 4439663.02706949
Spatial Reference: 102100 (3857)

Layer: COGMPO (ID:1)
Count: 13
Extent:

XMin: -12781256.5287694
YMin: 3675954.7036338
XMax: -12138851.8295775
YMax: 4439648.95042641
Spatial Reference: 102100 (3857)

Layer: CitiesIncorporated (ID:2)
Count: 91
Extent:

XMin: -12780918.8793928
YMin: 3676035.06129486
XMax: -12142467.0113599
YMax: 4439326.18349513
Spatial Reference: 102100 (3857)

Layer: TrafficEngineeringRegion (ID:3)
Count: 3
Extent:

XMin: -12785059.2911543
YMin: 3672175.70359514
XMax: -12134834.3864255
YMax: 4443706.28347061
Spatial Reference: 102100 (3857)

Layer: MaintenanceUnit (ID:4)
Count: 47
Extent:

XMin: -12781257.8103508
YMin: 3675955.20746262
XMax: -12138853.0283537
YMax: 4439663.02681832
Spatial Reference: 102100 (3857)

Layer: EngineeringDistrict (ID:5)
Count: 7
Extent:

XMin: -12781257.8103508
YMin: 3675955.20746262
XMax: -12138853.0283537
YMax: 4439663.02681832
Spatial Reference: 102100 (3857)

Layer: Mileposts (ID:6)
Count: 15671
Extent:

XMin: -12778025.1025747
YMin: 3676281.39237794
XMax: -12139150.9076709
YMax: 4439041.51732155
Spatial Reference: 102100 (3857)