# boulder

> natural rock fragment larger than 25.6 cm in diameter (larger than 200 mm diameter according to ISO 14688)

**Wikidata**: [Q581776](https://www.wikidata.org/wiki/Q581776)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Boulder)  
**Source**: https://4ort.xyz/entity/boulder


## References

1. [Source](http://vro.agriculture.vic.gov.au/dpi/vro/nthcenregn.nsf/0d08cd6930912d1e4a2567d2002579cb/2bb919f3b4210453ca25752700275e1e/$FILE/glossary.pdf)
2. KBpedia