{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"VerticalCRS","name":"Tutuila 1962 height","datum":{"type":"VerticalReferenceFrame","name":"Tutuila Vertical Datum of 1962"},"coordinate_system":{"subtype":"vertical","axis":[{"name":"Gravity-related height","abbreviation":"H","direction":"up","unit":"metre"}]},"scope":"Geodesy, engineering survey, topographic mapping.","area":"American Samoa - Tutuila island.","bbox":{"south_latitude":-14.43,"west_longitude":-170.88,"north_latitude":-14.2,"east_longitude":-170.51},"id":{"authority":"EPSG","code":6638}}