EPSG:5102

VERT_DATUM["National Geodetic Vertical Datum 1929",2005,
    AUTHORITY["EPSG","5102"]]

VDATUM["National Geodetic Vertical Datum 1929",
    ID["EPSG",5102]]

VDATUM["National_Geodetic_Vertical_Datum_1929"]

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "VerticalReferenceFrame",
    "name": "National Geodetic Vertical Datum 1929",
    "scope": "Geodesy, topographic mapping.",
    "area": "United States (USA) - CONUS onshore - Alabama; Arizona; Arkansas; California; Colorado; Connecticut; Delaware; Florida; Georgia; Idaho; Illinois; Indiana; Iowa; Kansas; Kentucky; Louisiana; Maine; Maryland; Massachusetts; Michigan; Minnesota; Mississippi; Missouri; Montana; Nebraska; Nevada; New Hampshire; New Jersey; New Mexico; New York; North Carolina; North Dakota; Ohio; Oklahoma; Oregon; Pennsylvania; Rhode Island; South Carolina; South Dakota; Tennessee; Texas; Utah; Vermont; Virginia; Washington; West Virginia; Wisconsin; Wyoming.",
    "bbox": {
        "south_latitude": 24.41,
        "west_longitude": -124.79,
        "north_latitude": 49.38,
        "east_longitude": -66.91
    },
    "id": {
        "authority": "EPSG",
        "code": 5102
    }
}