Layer Estimates:

Layer: Crossing (ID:0)
Count: 12029
Extent:

XMin: -135.099696300444
YMin: 48.4275136999973
XMax: -110.006232800403
YMax: 59.9131507997697
Spatial Reference: 4140 (4140)

Layer: Junction (ID:1)
Count: 15100
Extent:

XMin: -135.1384415997
YMin: 48.4274289002236
XMax: -110.005027699868
YMax: 60.0006269999362
Spatial Reference: 4140 (4140)

Layer: MarkerPost (ID:2)
Count: 6113
Extent:

XMin: -130.356277699756
YMin: 49.0048113003013
XMax: -110.017092800292
YMax: 59.9943182998497
Spatial Reference: 4140 (4140)

Layer: Station (ID:3)
Count: 906
Extent:

XMin: -130.358697600014
YMin: 49.0030790999206
XMax: -110.005633199912
YMax: 59.9943182998497
Spatial Reference: 4140 (4140)

Layer: Structure (ID:4)
Count: 38
Extent:

XMin: -127.342533900219
YMin: 48.4582450002067
XMax: -113.458275599939
YMax: 58.5161320002916
Spatial Reference: 4140 (4140)

Layer: Track (ID:5)
Count: 19431
Extent:

XMin: -135.1384415997
YMin: 48.4274019997026
XMax: -110.005027699868
YMax: 60.0006269999362
Spatial Reference: 4140 (4140)