# Whitney Seismograph Vault No. 29

> underground room in Hawaii County, Hawaii, United States

**Wikidata**: [Q24257033](https://www.wikidata.org/wiki/Q24257033)  
**Source**: https://4ort.xyz/entity/whitney-seismograph-vault-no-29


## References

1. National Register Information System
2. [Source](https://npgallery.nps.gov/GetAsset/444f610c-89ed-4887-aa4b-009e7cb64e2d)