Map of Athabaskan languages
This file was derived from: Blank North America map.svgPrinciple sources used:
https://www.loc.gov/resource/g3701e.ct003648r/
http://lauramarch.com/eportfolio-work/ling165/multimedia/les12_img_namerica.jpg
https://static.cambridge.org/binary/version/id/urn:cambridge.org:id:binary:20181122051322418-0522:9781108572071:42639fig4_1.png?pub-status=live

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Own work
Noahedits