# Atlas of United States trees. volume 6, Supplement

> vol. 6 of 6 vol. work published Washington, D.C.: U.S. Dept. of Agriculture, Forest Service, 1981.

**Wikidata**: [Q51444619](https://www.wikidata.org/wiki/Q51444619)  
**Source**: https://4ort.xyz/entity/atlas-of-united-states-trees-volume-6-supplement


## References

1. Biodiversity Heritage Library
2. Internet Archive