1911 Encyclopædia Britannica/Klamath
KLAMATH, a small tribe of North American Indians of Lutuamian stock. They ranged around the Klamath river and lakes, and are now on the Klamath reservation, southern Oregon.
See A. S. Gatschet, “Klamath Indians of Oregon,” Contributions to North American Ethnology, vol. ii. (Washington, 1890).