Layer Estimates:

Layer: River Miles (ID:1)
Count: 267
Extent:

XMin: 571174.0657
YMin: 4227390.6287
XMax: 667401.3685
YMax: 4331863.3577
Spatial Reference: 26912 (26912)

Layer: River Segments (ID:2)
Count: 5
Extent:

XMin: 571110.6172
YMin: 4252805.73
XMax: 664426.1705
YMax: 4330009.7462
Spatial Reference: 26912 (26912)