Layer Estimates:

Layer: Highway Mile Markers (ID:0)
Count: 325
Extent:

XMin: -10120117.6587943
YMin: 5078137.39950589
XMax: -10056186.6750166
YMax: 5125553.8968445
Spatial Reference: 102100 (3857)

Layer: Roads (ID:1)
Count: 25420
Extent:

XMin: -10120105.9253909
YMin: 5077611.38673873
XMax: -10054881.0848557
YMax: 5128680.07423492
Spatial Reference: 102100 (3857)

Layer: Railroad Mile Markers (ID:2)
Count: 71
Extent:

XMin: -10120779.3495966
YMin: 5078127.09791538
XMax: -10056184.1832365
YMax: 5124212.94190038
Spatial Reference: 102100 (3857)

Layer: Railroads (ID:3)
Count: 228
Extent:

XMin: -10121774.2810379
YMin: 5078091.79226771
XMax: -10056007.546283
YMax: 5126115.71900255
Spatial Reference: 102100 (3857)