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Proceedings held at Seattle Washington May 18 19 and 20 1915 and at Portland Oregon September 22 1915Conference Proceeding BookPublished 1915
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Official catalogue of the Lewis & CLark Centennial and American Pacific Exposition and Oriental Fair Portland Oregon USA June 1 to October 15 1905Conference Proceeding BookPublished 1905
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Glacial Lake Missoula and the channeled scablandMissoula Montana to Portland Oregon July 20-26 1989Conference Proceeding BookPublished 1989
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Five years of planning in the Pacific NorthwestConference Proceeding Bookby McKinley, Charles
Published 1939 -
Northwest harvest a regional stocktakingConference Proceeding Bookby Chittick, V. L. O. (Victor Lovitt Oakes), 1882-1972
Published 1948 -
Brief account of the Lewis and Clark Expedition from St Louis Missouri to the mouth of the Columbia River Oregon and return 1804-1806with illustrative mapConference Proceeding BookPublished 1926