EPSG:8252 — NAD83(CSRS)v6

GEOGCRS[
    "NAD83(CSRS)v6",
    DATUM[
        "North American Datum of 1983 (CSRS) version 6",
        ELLIPSOID[
            "GRS 1980",
            6378137,
            298.257222101,
            LENGTHUNIT["metre",1,ID["EPSG",9001]],
            ID["EPSG",7019]
        ],
        ANCHOREPOCH[2010],
        ID["EPSG",1197]
    ],
    CS[ellipsoidal,2,ID["EPSG",6422]],
    AXIS["Geodetic latitude (Lat)",north],
    AXIS["Geodetic longitude (Lon)",east],
    ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
    ID["EPSG",8252]
]

+proj=longlat +ellps=GRS80 +no_defs +type=crs

proj4.defs("EPSG:8252", "+proj=longlat +ellps=GRS80 +no_defs +type=crs");

{
  "type": "CoordinateReferenceSystem",
  "code": 8252,
  "name": "NAD83(CSRS)v6",
  "kind": "geographic 2D",
  "area": "Canada",
  "unit": "degree (supplier to define representation)",
  "bbox": [
    38.21,
    -141.01,
    86.46,
    -40.73
  ],
  "proj4": "+proj=longlat +ellps=GRS80 +no_defs +type=crs"
}

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (8252, 'EPSG', 8252, '+proj=longlat +ellps=GRS80 +no_defs +type=crs', 'GEOGCS["NAD83(CSRS)v6",DATUM["North_American_Datum_of_1983_CSRS_version_6",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","1197"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","8252"]]');

PROJECTION
  "+proj=longlat"
  "+ellps=GRS80"
  "+no_defs"
  "+type=crs"
END

8252=GEOGCS["NAD83(CSRS)v6",DATUM["North_American_Datum_of_1983_CSRS_version_6",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","1197"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","8252"]]