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: -12780917.6026744
YMin: 3676034.42671097
XMax: -12142465.8575299
YMax: 4439325.40054903
Spatial Reference: 102100 (3857)

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

XMin: -12785059.2911593
YMin: 3672175.70359033
XMax: -12134834.3864209
YMax: 4443706.28347027
Spatial Reference: 102100 (3857)

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

XMin: -12781257.8103554
YMin: 3675955.20745782
XMax: -12138853.0283494
YMax: 4439663.02681798
Spatial Reference: 102100 (3857)

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

XMin: -12781257.8103554
YMin: 3675955.20745782
XMax: -12138853.0283494
YMax: 4439663.02681798
Spatial Reference: 102100 (3857)

Layer: Mileposts (ID:6)
Count: 15669
Extent:

XMin: -12778025.102579
YMin: 3676281.39237805
XMax: -12139150.9076665
YMax: 4439041.51732123
Spatial Reference: 102100 (3857)