Layer Estimates:

Layer: Crossings (ID:0)
Count: 12980
Extent:

XMin: 333778.019144195
YMin: 4768976.89310081
XMax: 664857.45527086
YMax: 5246960.91313455
Spatial Reference: 26919 (26919)

Layer: Dams (ID:1)
Count: 1120
Extent:

XMin: 335596.297419893
YMin: 4771553.1071603
XMax: 661451.056010547
YMax: 5245789.65591502
Spatial Reference: 26919 (26919)

Layer: Natural Barriers (ID:2)
Count: 357
Extent:

XMin: 336191.026737349
YMin: 4821201.69451606
XMax: 645811.823512986
YMax: 5245797.43963909
Spatial Reference: 26919 (26919)