# Hayford ellipsoid

> geodetic reference ellipsoid

**Wikidata**: [Q1591933](https://www.wikidata.org/wiki/Q1591933)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Hayford_ellipsoid)  
**Source**: https://4ort.xyz/entity/hayford-ellipsoid


## References

1. Freebase Data Dumps. 2013