INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values (6131, 'EPSG', 6131, '+vunits=ft +no_defs +type=crs', '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"]]');