Variable EPSG_112021Const
EPSG_112021: "+proj=tmerc +lat_0=49 +lon_0=-2 +k=0.999841726023814 +x_0=144034.639234272 +y_0=71017.0790668981 +ellps=airy +units=m +no_defs +type=crs" = '+proj=tmerc +lat_0=49 +lon_0=-2 +k=0.999841726023814 +x_0=144034.639234272 +y_0=71017.0790668981 +ellps=airy +units=m +no_defs +type=crs'
OSGB 1936 National Highways A12H2
nullnull50.814,-3.9022,50.2351,-3.6549