# Baltic Sea anomaly

> interpretations of an indistinct sonar image taken by P. Lindberg and D. Åsberg while treasure-hunting on the floor of the northern Baltic Sea at the center of the Bothnian Sea in June 2011

**Wikidata**: [Q3875080](https://www.wikidata.org/wiki/Q3875080)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Baltic_Sea_anomaly)  
**Source**: https://4ort.xyz/entity/baltic-sea-anomaly


## References

1. Freebase Data Dumps. 2013
2. Quora