INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values (5623, 'EPSG', 5623, '+proj=tmerc +lat_0=41.5 +lon_0=-83.6666666666667 +k=0.999942857 +x_0=152400.30480061 +y_0=0 +ellps=clrk66 +towgs84=-8,159,175,0,0,0,0 +units=us-ft +no_defs +type=crs', 'PROJCS["NAD27 / Michigan East",GEOGCS["NAD27",DATUM["North_American_Datum_1927",SPHEROID["Clarke 1866",6378206.4,294.978698213898],TOWGS84[-8,159,175,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4267"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",41.5],PARAMETER["central_meridian",-83.6666666666667],PARAMETER["scale_factor",0.999942857],PARAMETER["false_easting",500000],PARAMETER["false_northing",0],UNIT["US survey foot",0.304800609601219],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","5623"]]');