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Prior to the arrival of European explorers, the Klamath people lived in the area around the Upper Klamath Lake and the Klamath, Williamson, and Sprague rivers. They subsisted primarily on fish and gathered roots and seeds.
In 1826, Peter Skene Ogden, an explorer for the Hudson's Bay Company, first encountered the Klamath people, and he was trading with them by 1829. The United States frontiersman Kit Carson admired their arrows, which were reported to be able to shoot through a horse.
Treaty with the United States 
The Klamaths, Modocs, and Yahooskin band of Snake tribes signed a treaty with the United States in 1864, establishing the Klamath Reservation to the northeast of Upper Klamath Lake. The treaty required the tribes to cede the land in the Klamath Basin, bounded on the north by the 44th parallel, to the United States. In return, the United States was to make a lump sum payment of $35,000, and annual payments totalling $80,000 over 15 years, as well as providing infrastructure and staff for the reservation. The treaty provided that, if the Indians drank or stored intoxicating liquor on the reservation, the payments could be withheld; the United States could also locate additional tribes on the reservation in the future. The tribes requested Lindsay Applegate as the agent to represent the United States to them. The Indian agent estimated the total population of the three tribes at about 2,000 when the treaty was signed.
Post-treaty history 
Since termination of recognition of their tribal sovereignty in 1954 (with federal payments not disbursed until 1961), the Klamath and neighboring tribes have reorganized their government and revived tribal identity. The Klamath, along with the Modoc and Yahooskin, have formed the federally recognized Klamath Tribes confederation. Their tribal government is based in Chiloquin, Oregon.
The Klamath spoke one dialect of the Klamath–Modoc language, the other being spoken by the Modoc people, who lived south of the Klamath. Once thought to be a language isolate, Klamath–Modoc is now considered a member of the Plateau Penutian language family.
Both the Klamath and the Modoc called themselves maqlaqs, meaning "people." When they wanted to distinguish between themselves, the Klamath were called ?ewksiknii, "people of the [Klamath] Lake," and the Modoc were called moowatdal'knii, "people of the south."
See also 
- Steber, R; Buy the Chief a Cadillac; Carroll & Graf Publishers, New York, 2006
- Coville, Frederick V. 1897 Notes On The Plants Used By The Klamath Indians Of Oregon. Contributions from the U.S. National Herbarium 5(2):87-110 (p. 103)
- Coville, Frederick V. 1897 Notes On The Plants Used By The Klamath Indians Of Oregon. Contributions from the U.S. National Herbarium 5(2):87-110 (p. 102)
- Annual report of the Commissioner of Indian Affairs to the Secretary of the Interior for the year 1865: Reports of Agents in Oregon Washington: United States Office of Indian Affairs, 1865.
- Hale, Horation. "The Klamath Nation: the country and the people". Science. vol. 19, no. 465, 1892.
- Hodge, Frederick Webb. Handbook of American Indians north of Mexico. Washington: Government Printing Office, 1907.
- Mithun, Marianne. (1999). The languages of Native North America. Cambridge: Cambridge University Press. ISBN 0-521-23228-7 (hbk); ISBN 0-521-29875-X.
- Waldman, Carl. Encyclopedia of Native American Tribes. New York: Checkmark, 1999. ISBN 0-8160-3964-X
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