# Alleghanian orogeny

> the geological mountain-forming events that formed the Appalachian and Allegheny Mountains

**Wikidata**: [Q1761223](https://www.wikidata.org/wiki/Q1761223)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Alleghanian_orogeny)  
**Source**: https://4ort.xyz/entity/alleghanian-orogeny


## References

1. Freebase Data Dumps. 2013