INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values (8381, 'EPSG', 8381, '+proj=tmerc +lat_0=36.25 +lon_0=-114.966666666667 +k=1.000135 +x_0=300000 +y_0=400000 +ellps=GRS80 +nadgrids=SK83-98.gsb +units=m +no_defs +type=crs', 'PROJCS["NAD83 / NCRS Las Vegas high (m)",GEOGCS["NAD83",DATUM["North_American_Datum_1983",SPHEROID["GRS 1980",6378137,298.257222101],EXTENSION["PROJ4_GRIDS","SK83-98.gsb"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4269"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",36.25],PARAMETER["central_meridian",-114.966666666667],PARAMETER["scale_factor",1.000135],PARAMETER["false_easting",300000],PARAMETER["false_northing",400000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","8381"]]');