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The Louisiana purchase and our title west of the Rocky Mountainswith a review of annexation by the United StatesBookPublished 1898
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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
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Map of a part of the Territory of Washingtonto accompany report of Surveyor Generalcartographic materialby Tilton, James
Published 1855