Бонжур,
Voici ле ссылки дю код EPSG 6859
PROJCS["ED50_Mercator",
GEOGCS["ED50",
DATUM["European_Datum_1950",
SPHEROID["International 1924",6378388,297,
AUTHORITY["EPSG","7022"]],
AUTHORITY["EPSG","6230"]],
PRIMEM["Greenwich",0,
AUTHORITY["EPSG","8901"]],
UNIT["degree",0.01745329251994328,
AUTHORITY["EPSG","9122"]],
AUTHORITY["EPSG","4230"]],
PROJECTION["Mercator_1SP"],
PARAMETER["False_Easting",0],
PARAMETER["False_Northing",0],
PARAMETER["Central_Meridian",0],
PARAMETER["latitude_of_origin",0],
UNIT["Meter",1]]
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