Layer Estimates:

Layer: riverobstacles_mtt (ID:0)
Count: 212
Extent:

XMin: 485120.7754
YMin: 165210
XMax: 517780.0042
YMax: 185601.848099999
Spatial Reference: PROJCS["OSGB 1936 / British National Grid",GEOGCS["OSGB 1936",DATUM["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["m",1.0]]