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languages
Last updated 7/31/2022
treaties
Achumawi (territories)
Pit River (territories)
California Language Archive
Native Tribes, Groups, Language Families and Dialects of California in 1770 (after A.L. Kroeber 1925). Adapted from Heizer (1966: Map 4)
Endangered Languages Project
Added 6/6/2018, last updated 7/31/2022 *
* older dates may be inaccurate due to tech changes along the way
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