Variable EPSG_112056Const
EPSG_112056: "+proj=tmerc +lat_0=49 +lon_0=-2 +k=0.999313972680282 +x_0=-223935.619349196 +y_0=70979.593633004 +ellps=airy +units=m +no_defs +type=crs" = '+proj=tmerc +lat_0=49 +lon_0=-2 +k=0.999313972680282 +x_0=-223935.619349196 +y_0=70979.593633004 +ellps=airy +units=m +no_defs +type=crs'
OSGB 1936 National Highways A30H1
nullnull51.9997,1.3299,50.9186,1.5403