The three more characteristic groups are the Yurok and karok, small independent linguistic families, and the Hupa division of the Athabascan family.
"The Religion of the Indians of California"
A. L. Kroeber
The karok, who live immediately upstream from the Yurok on the Klamath, held the Deerskin and Jumping dances at three places.
"The Religion of the Indians of California"
A. L. Kroeber
karok mythology is of the Northwestern type, but shows more animal characters than that of the Yurok.
"The Religion of the Indians of California"
A. L. Kroeber