Layer Estimates:

Layer: WillametteRiverMiles_15mile increment (ID:0)
Count: 187
Extent:

XMin: -123.260834243287
YMin: 44.0234384984038
XMax: -122.606112729085
YMax: 45.6558168038451
Spatial Reference: 4269 (4269)

Layer: WillametteRiverMiles_10mile increment (ID:1)
Count: 187
Extent:

XMin: -123.260834243287
YMin: 44.0234384984038
XMax: -122.606112729085
YMax: 45.6558168038451
Spatial Reference: 4269 (4269)