GEODCRS["St Pierre Miquelon 1950 cartesiennes",
    DATUM["Saint Pierre et Miquelon 1950",
        ELLIPSOID["Clarke 1866",6378206.4,294.978698213898,
            LENGTHUNIT["metre",1]]],
    PRIMEM["Greenwich",0,
        ANGLEUNIT["degree",0.0174532925199433]],
    CS[Cartesian,3],
        AXIS["(X)",geocentricX,
            ORDER[1],
            LENGTHUNIT["metre",1]],
        AXIS["(Y)",geocentricY,
            ORDER[2],
            LENGTHUNIT["metre",1]],
        AXIS["(Z)",geocentricZ,
            ORDER[3],
            LENGTHUNIT["metre",1]],
    USAGE[
        SCOPE["INTERMEDIAIRE POUR LE CALCUL"],
        AREA["SAINT-PIERRE-ET-MIQUELON"],
        BBOX[46.7,-56.49,47.2,-56.1]],
    ID["IGNF","STPM50"]]