Layer Estimates:

Layer: River_Camel (ID:0)
Count: 1
Extent:

XMin: 201287.500000002
YMin: 67312.5
XMax: 211717.5
YMax: 87067.5
Spatial Reference: 27700 (27700)

Layer: River_Exe (ID:1)
Count: 1
Extent:

XMin: 275014.581940001
YMin: 86722.1234799996
XMax: 297039.58194
YMax: 140747.123480003
Spatial Reference: 27700 (27700)

Layer: River_Culm (ID:2)
Count: 1
Extent:

XMin: 293231.1954
YMin: 96952.1482999995
XMax: 321903.7629
YMax: 116310.9914
Spatial Reference: 27700 (27700)