Layer Estimates:

Layer: Rivers - lines Density (ID:0)
Count: 34
Extent:

XMin: 256011.370011721
YMin: 217073.590611722
XMax: 272976.807647159
YMax: 231720.769688282
Spatial Reference: PROJCS["OSGB_1936_Transverse_Mercator",GEOGCS["GCS_OSGB_1936",DATUM["D_OSGB_1936",SPHEROID["Airy_1830",6377563.396,299.3249646]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",400000.0],PARAMETER["False_Northing",-100000.0],PARAMETER["Central_Meridian",-2.0],PARAMETER["Scale_Factor",0.9996012717],PARAMETER["Latitude_Of_Origin",49.0],UNIT["Meter",1.0]]