- American Experience: Lost in the Grand Canyon
 - Learn all about the 1869 expedition down the Colorado River into the last uncharted territory in the United States, led by John Wesley Powell. Includes an interactive map and narrative of the journey. - John Wesley Powell Memorial Museum
- Sketches, photos and other memorabilia of Powell's epic Colorado River voyages in 1869 and 1871, and a collection of Native American and pioneer artifacts.
- Major John Wesley Powell
- Biography from the Powell Museum.
- Powell, John Wesley
- One-armed college professor with a thirst for knowledge explored the deserts of the American Southwest.
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