# Seal Slough

> tributary to the Grays River in Wahkiakum County, Washington, United States

**Wikidata**: [Q105205938](https://www.wikidata.org/wiki/Q105205938)  
**Source**: https://4ort.xyz/entity/seal-slough-q105205938


## References

1. Geographic Names Information System
2. OpenStreetMap
3. National Hydrography Dataset
4. GeoNames
5. National Elevation Dataset