INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values (21818, 'EPSG', 21818, '+proj=utm +zone=18 +ellps=intl +towgs84=306.666,315.063,-318.837,-7.992173e-05,-8.090698e-06,0.0001051699,-13.89912 +units=m +no_defs +type=crs', 'PROJCS["Bogota 1975 / UTM zone 18N",GEOGCS["Bogota 1975",DATUM["Bogota_1975",SPHEROID["International 1924",6378388,297],TOWGS84[306.666,315.063,-318.837,-7.992173E-05,-8.090698E-06,0.0001051699,-13.89912]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4218"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",-75],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","21818"]]');