Upper Chinookan Fire Planes: Two New North American Fire-Making Techniques Albert Mohr; L. L. Sample Ethnology, Vol. 22, No. 3. (Jul., 1983), pp. 253-262. Stable URL: http://links.jstor.org/sici?sici=0014-1828%28198307%2922%3A3%3C253%3AUCFPTN%3E2.0.CO%3B2-A