GEOGCS["GCS_Cadastre_1997_geographiques_dms",DATUM["D_CADASTRE_1997",SPHEROID["International_1924",6378388.0,297.0]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],VERTCS["SHOM_1953_MAYOTTE",VDATUM["SHOM_1953_MAYOTTE"],PARAMETER["Vertical_Shift",0.0],PARAMETER["Direction",1.0],UNIT["Meter",1.0]]