# drainage

> removal of water from a surface

**Wikidata**: [Q7481320](https://www.wikidata.org/wiki/Q7481320)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Drainage)  
**Source**: https://4ort.xyz/entity/drainage


## References

1. Iowa State University Library Vocabularies
2. [Nuovo soggettario](https://thes.bncf.firenze.sbn.it/termine.php?id=42049)
3. Freebase Data Dumps. 2013
4. Integrated Authority File
5. YSO-Wikidata mapping project
6. National Library of Israel Names and Subjects Authority File
7. KBpedia
8. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)