Layer Estimates:

Layer: USAAF_obliques_V2 (ID:64)
Count: 11
Extent:

XMin: 402150
YMin: 128950
XMax: 465950
YMax: 213450
Spatial Reference: PROJCS["British_National_Grid",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",0.999601271625],PARAMETER["Latitude_Of_Origin",49.0],UNIT["Meter",1.0]]