Layer Estimates:

Layer: Stations (ID:0)
Count: 9
Extent:

XMin: -8244133.32008838
YMin: 5324613.03630306
XMax: -8215328.30183979
YMax: 5473365.60208436
Spatial Reference: 102100 (3857)

Layer: Milemarkers (ID:1)
Count: 40
Extent:

XMin: -8235622.43025857
YMin: 5353980.33512039
XMax: -8216271.27567457
YMax: 5420609.37885526
Spatial Reference: 102100 (3857)

Layer: Culverts (ID:2)
Count: 110
Extent:

XMin: -8235858.98550993
YMin: 5357489.09487805
XMax: -8217279.60882215
YMax: 5420659.50059092
Spatial Reference: 102100 (3857)

Layer: Bridges (ID:3)
Count: 2
Extent:

XMin: -8234963.24140198
YMin: 5418929.90332897
XMax: -8233374.56922306
YMax: 5419607.20600255
Spatial Reference: 102100 (3857)

Layer: Tracks (ID:4)
Count: 3
Extent:

XMin: -8246243.30840665
YMin: 5338036.6313404
XMax: -8215472.6485499
YMax: 5473071.12096395
Spatial Reference: 102100 (3857)