Variable EPSG_54003`Const`

EPSG_54003: "+proj=mill +R_A +lon_0=0 +x_0=0 +y_0=0 +datum=WGS84 +units=m +no_defs +type=crs" = '+proj=mill +R_A +lon_0=0 +x_0=0 +y_0=0 +datum=WGS84 +units=m +no_defs +type=crs'

Miller Cylindrical