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(en) L.S. Cressman et al., « Cultural Sequences at the Dalles, Oregon: A Contribution to Pacific Northwest Prehistory », Transactions of the American Philosophical Society, vol. 50, no 10, , p. 1-108 (DOI10.2307/1005853).
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J. B. Tyrell, ed., David Thompson: Narrative of his Explorations in Western America, 1784-1812 (Toronto, 1916, 496-97; "Address of Joseph Nathan Teal, The Dalles-Celilo Celebration, Big Eddy, Oregon (May 5, 1915," Oregon Historical quarterly, 16 (Fall 1916), 107-8. (As quoted in The Columbia River's fate in the twentieth century)