INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values (9504, 'EPSG', 9504, '+proj=longlat +ellps=GRS80 +vunits=ft +no_defs +type=crs', 'COMPD_CS["CIGD11 + LCVD61 height (ft)",GEOGCS["CIGD11",DATUM["Cayman_Islands_Geodetic_Datum_2011",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","1100"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","6135"]],VERT_CS["LCVD61 height (ft)",VERT_DATUM["Little Cayman Vertical Datum 1961",2005,AUTHORITY["EPSG","1098"]],UNIT["foot",0.3048,AUTHORITY["EPSG","9002"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","6131"]],AUTHORITY["EPSG","9504"]]');