Klamath and Modoc sacred sites: rock cairns and prayer seats

Haynal, Patrick M. (2000). The Influence of Sacred Rock Cairns and Prayer Seats on Modern Klamath and Modoc Religion and World View. Journal of California and Great Basin Anthropology, 22(2).
The PDF can be found here: http://escholarship.org/uc/item/99h4b4q7#