Plateau Sign Language
| Plateau Sign Language | |
|---|---|
| Native to | Canada, USA |
| Region | Columbia Plateau |
| Extinct | 18th century |
contact pidgin | |
| Language codes | |
| ISO 639-3 | None (mis) |
| Glottolog | None |
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Plateau Sign Language, or Old Plateau Sign Language, is a poorly attested sign language historically used in British Columbia. It is not clear if it was a regional variant of Plains Standard Sign Language, the contact pidgin of the Great Plains, or a separate trade language indigenous to the Columbian Plateau. The Crow Nation introduced Plains Standard, which replaced Plateau Sign among the eastern nations that used it (the Coeur d’Alene, Sanpoil, Okanagan, Thompson, Lakes, Shuswap, and Coleville), with western nations[which?] shifting instead to Chinook Jargon.
Further reading
- "Sign Language Among North American Indians Compared With That Among Other Peoples And Deaf-Mutes," First Annual Report of the Bureau of Ethnology to the Secretary of the Smithsonian Institution, 1879-1880, Government Printing Office, Washington, 1881, pages 263-552
- Clark, William Philo. 1885. The Indian Sign Language
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