# Landform map of Canada

> map edition prepared for the Environmental Protection Section of the Office of the US Quartermaster General by Erwin Raisz in 1950; hydrography by Robert L Williams

**Wikidata**: [Q62061753](https://www.wikidata.org/wiki/Q62061753)  
**Source**: https://4ort.xyz/entity/landform-map-of-canada


## References

1. [Source](http://id.lib.harvard.edu/alma/990029150490203941/catalog)