20240908 20454800 1.0 TRUE CreateMosaicDataset G:\Raster_Data\Historic_2024.gdb HISTORIC_NG10K_1971_1993 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",0.9996012717],PARAMETER["Latitude_Of_Origin",49.0],UNIT["Meter",1.0]] # # None # Historic Ordnance Survey OS Historic National Grid 10K 1971 - 1993 HISTORIC_NG10K_1971_1993