# Interior River Valleys and Hills

> ecoregion in the United States

**Wikidata**: [Q101555007](https://www.wikidata.org/wiki/Q101555007)  
**Source**: https://4ort.xyz/entity/interior-river-valleys-and-hills


## References

1. [Source](https://dmap-prod-oms-edc.s3.us-east-1.amazonaws.com/ORD/Ecoregions/us/Eco_Level_III_US.pdf)
2. [Source](https://upload.wikimedia.org/wikipedia/commons/0/06/Level_IV_ecoregions%2C_Iowa_and_Missouri.pdf)
3. [Source](https://upload.wikimedia.org/wikipedia/commons/8/8e/Level_III_ecoregions%2C_United_States.png)
4. [Source](https://upload.wikimedia.org/wikipedia/commons/e/e0/Il_map.pdf)