© 2016 WGBH Educational Foundation and The Calderwood Charitable Foundation. All Rights Reserved.
Third party materials courtesy of Griffons Medieval Manuscripts, Library of Congress, Manuscript Division, National Archives, Sea of Liberty, State Historical Society of North Dakota, The Historic New Orleans Collection, and The Louisiana Digital Library. E.S. Paxson, Lewis and Clark at Traveler’s Rest, Lolo Creek, 1804, oil on linen, 1914. Missoula County art collection managed by Missoula Art Museum. Photo: C. Basner courtesy MAM. © 2015, 2016 WGBH Educational Foundation and The Calderwood Charitable Foundation. All Rights Reserved.
Third party materials courtesy of Library of Congress, National Archives, Norman B. Leventhal Map Center at the Boston Public Library, State Historical Society of North Dakota, and USA Coin Book. © 2015.2016 WGBH Educational Foundation and The Calderwood Charitable Foundation. All Rights Reserved.
Third party materials courtesy of American Philosophical Society, Library of Congress, National Archives, Kean Collection/Getty Images, and National Park Service. E.S. Paxson, Lewis and Clark at Traveler’s Rest, Lolo Creek, 1804, oil on linen, 1914. Missoula County art collection managed by Missoula Art Museum. Photo: C. Basner courtesy MAM. © 2015, 2016 WGBH Educational Foundation and The Calderwood Charitable Foundation. All Rights Reserved.