Thomas Hart Benton, Lewis and Clark at Eagle Creek, 1967. Polymer and tempera on Masonite panel, 30 1/2 x 38 in. Courtesy of the Eiteljorg Museum of American Indians and Western Art, Indianapolis, Indiana. © Benton Testamentary Trusts/UMB Bank Trustee/Licensed by VAGA, New York, NY. Lewis and Clark at Eagle Creek 0 By Céline Browning on October 22, 2015