MultiTree:

Name: Koyukon Alternate Names: Kuyukon; Koyukukhotana; Ten'a Spoken in: USA Code: koy Code Authority: ISO 639-3 Code Standard: SIL Status: Nearly Extinct Families: Athabaskan-Eyak-Tlingit (Eyak-Athabaskan, Na-Dene, Dene-Yeniseian) Parent Subgroup: Koyukon-Holikachuk (koho) Brief Description: "Koyukon is the Athabaskan language of 11 villages along the Koyukuk and middle Yukon rivers of central Alaska, the most widespread Athabaskan language in the state. It is spoken in three dialects, Upper, Central, and Lower. About 300 speak the language, out of a total population of about 2,300. Koyukon was painstakingly documented by the Jesuit missionary Jules Jetté in the early twentieth century." Victor Golla, Atlas of the World's Languages 2007 pg. 17