INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values (8053, 'EPSG', 8053, '+vunits=us-ft +no_defs +type=crs', 'VERT_CS["MSL depth (ftUS)",VERT_DATUM["Mean Sea Level",2005,AUTHORITY["EPSG","5100"]],UNIT["US survey foot",0.304800609601219,AUTHORITY["EPSG","9003"]],AXIS["Depth",DOWN],AUTHORITY["EPSG","8053"]]');