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1815 Travels to the Source of the … Exploration Book Travels to the Source of the … |
1815 Map of Lewis and Clark's Tra … Exploration Book A Map of Lewis and Clark's T … |
1815 Ancient Fortification on the … Exploration Book Ancient Fortification on the … |
1815 Great Falls of the Missouri. Exploration Book Great Falls of the Missouri. … |
1815 Great Falls of Columbia Rive … Exploration Book Great Falls of Columbia Rive … |
1815 Lower Falls of the Columbia. Exploration Book Lower Falls of the Columbia. |
1815 Mouth of Columbia River. Exploration Book Mouth of Columbia River. Nee … |