# Lines of Contravallation of Gibraltar

> set of fortifications

**Wikidata**: [Q9275787](https://www.wikidata.org/wiki/Q9275787)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Lines_of_Contravallation_of_Gibraltar)  
**Source**: https://4ort.xyz/entity/lines-of-contravallation-of-gibraltar


## References

1. [Wiki Loves Monuments monuments database. 2017](https://tools.wmflabs.org/heritage/api/api.php?action=search&format=json&srcountry=es&srlang=es&srid=RI-51-0008999)
2. Freebase Data Dumps. 2013