# isolated danger mark

> sea mark indicating a danger spot

**Wikidata**: [Q1310021](https://www.wikidata.org/wiki/Q1310021)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Isolated_danger_mark)  
**Source**: https://4ort.xyz/entity/isolated-danger-mark


## References

1. Freebase Data Dumps. 2013