# foot (US survey)

> American unit of length derived from the 1893 Mendenhall yard

**Wikidata**: [Q61749573](https://www.wikidata.org/wiki/Q61749573)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/US_survey_foot)  
**Source**: https://4ort.xyz/entity/foot-us-survey-


## References

1. 24 FR 5348
2. NIST Handbook 44 - 2019
3. ISO 80000-3:2006 Quantities and units — Part 3: Space and time
4. Recommendation N. 20 - Codes for Units of Measure Used in International Trade - Revision 13 (Annexes I to III)