COMPOUNDCRS["RGFG95 + NGG1977 height",GEOGCRS["RGFG95",DATUM["Reseau Geodesique Francais Guyane 1995",ELLIPSOID["GRS 1980",6378137,298.257222101,LENGTHUNIT["metre",1]]],PRIMEM["Greenwich",0,ANGLEUNIT["degree",0.0174532925199433]],CS[ellipsoidal,2],AXIS["geodetic latitude (Lat)",north,ORDER[1],ANGLEUNIT["degree",0.0174532925199433]],AXIS["geodetic longitude (Lon)",east,ORDER[2],ANGLEUNIT["degree",0.0174532925199433]]],VERTCRS["NGG1977 height",VDATUM["Nivellement General Guyanais 1977"],CS[vertical,1],AXIS["gravity-related height (H)",up,LENGTHUNIT["metre",1]]],USAGE[SCOPE["Spatial referencing."],AREA["French Guiana - onshore."],BBOX[2.11,-54.61,5.81,-51.61]],ID["EPSG",9530]]