# Lock 7

> lock on the C&O Canal near Glen Echo, Maryland, United States

**Wikidata**: [Q34864147](https://www.wikidata.org/wiki/Q34864147)  
**Source**: https://4ort.xyz/entity/lock-7-q34864147


## References

1. Geographic Names Information System. 2018
2. GeoNames
3. [Source](https://www.canaltrust.org/pyv/lock-7/)
4. Google Maps
5. [Source](https://mcatlas.org/viewer/)
6. [National Park Service](https://www.nps.gov/choh/planyourvisit/upload/C-O-Canal-Detail-Map-from-Georgetown-to-Swains-Lock-Accessible.pdf)
7. [Source](https://www.instagram.com/explore/locations/287268867/united-states/glen-echo-maryland/co-canal-lock-7/)