![[ERA map : United States] / - Public domain map](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzIwMTkvMDkvMjQvZXJhLW1hcC11bml0ZWQtc3RhdGVzLWNjZDg3OS0xMDI0LmpwZw%3D%3D/320/524/jpg "[ERA map : United States] / - Public domain map")
Related
![Amérique méridionale : [carte generale]](https://cache.getarchive.net/Prod/thumb/cdn8/L3Bob3RvLzE4NjcvMTIvMzEvYW1lcmlxdWUtbWVyaWRpb25hbGUtY2FydGUtZ2VuZXJhbGUtNzYwYzhhLTY0MC5qcGc%3D/40/48/webp "Amérique méridionale : [carte generale]")
![USDA plant hardiness zone map : [United States] /](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzIwMDUvMDEvMDEvdXNkYS1wbGFudC1oYXJkaW5lc3Mtem9uZS1tYXAtdW5pdGVkLXN0YXRlcy02NDAuanBn/40/26/webp "USDA plant hardiness zone map : [United States] /")
![États - Unis de L'Amérique Septentrionale : [carte]](https://cache.getarchive.net/Prod/thumb/cdn8/L3Bob3RvLzE4MjgvMTIvMzEvZXRhdHMtdW5pcy1kZS1sYW1lcmlxdWUtc2VwdGVudHJpb25hbGUtY2FydGUtZWY2ZGJhLTY0MC5qcGc%3D/40/27/webp "États - Unis de L'Amérique Septentrionale : [carte]")
![Geographical conversation cards : [states of the United States] /](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzIwMTkvMDkvMjMvZ2VvZ3JhcGhpY2FsLWNvbnZlcnNhdGlvbi1jYXJkcy1zdGF0ZXMtb2YtdGhlLXVuaXRlZC1zdGF0ZXMtNDNlM2Y5LTY0MC5qcGc%3D/40/25/webp "Geographical conversation cards : [states of the United States] /")
![Nord-America : [Generalkarte] - Public domain old map](https://cache.getarchive.net/Prod/thumb/cdn8/L3Bob3RvLzE4NzkvMTIvMzEvbm9yZC1hbWVyaWNhLWdlbmVyYWxrYXJ0ZS1lMjlhMGUtNjQwLmpwZw%3D%3D/40/32/webp "Nord-America : [Generalkarte] - Public domain old map")
[ERA map : United States] / - Public domain map
Summary
"October 17, 1979."
Available also through the Library of Congress Web site as a raster image.
Vault
Tags
Date
01/01/1979
Contributors
Peters, Frank.
Source
Library of Congress
Copyright info
Public Domain
