The following is the entry for this language as it appeared in the 14th edition (2000).
It was superseded by the corresponding entry in the 15th edition (2005). See also the corresponding entry in the current edition of Ethnologue.
SIL code: ATS
ISO 639-2: alg
| Population | 10 or fewer speakers out of 1,200 population (1977 SIL). The 1990 census reports 111 speakers. |
| Region | Fort Belknap Reservation, Milk River, north central Montana. |
| Alternate names | GROS VENTRES, ATSINA, WHITE CLAY PEOPLE, AHAHNELIN, AHE, FALL INDIANS, A' ANANIN |
| Classification | Algic, Algonquian, Plains, Arapaho. |
| Comments | Bilingualism in English. Nearly extinct. |
