Example image of eyePlorer eyePlorer map for 'Oregon Trail': Continent Missouri River North America Oregon Territory Bozeman Trail California Trail Mormon Trail United Kingdom United States Idaho Kansas Missouri Nebraska Oregon U.S. state Wyoming California Colorado Montana Nevada Utah Washington Pacific Northwest Central Pacific Railroad First Transcontinental Railroad Union Pacific Railroad Northern Pacific Railway Portland, Oregon Columbia River Lewis and Clark Expedition Mullan Road Lemhi Pass Lolo Pass (Idaho-Montana) Rocky Mountains Blackfoot River (Idaho) Clearwater River (Idaho) Snake River Blackfoot Thomas Jefferson American Fur Company Fur trade John Jacob Astor W. Price Hunt Jackson, Wyoming Union Pass Teton Pass Teton Range Fort Astoria Puget Sound Tonquin
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