The former Soviet Union had a project to map the entire world. They produced over one million distinct maps of places around the world. On his latest Exploring History podcast, Ray Notgrass discusses this amazing project and the amazing detail work that went into it.

Read the transcript and find more resources:
https://shop.notgrass.com/blog/exploring-history-podcast-9/secret-soviet-documents-revealed-313

Homeschool curriculum and resources for all ages: https://notgrass.com/

Supplemental videos, field trips, and other resources: https://homeschoolhistory.com/

Encouragement for homeschool moms: https://charlenenotgrass.com/