The Powell Expedition: New Discoveries about John Wesley Powell's 1869 River Journey

John Wesley Powell’s 1869 expedition down the Green and Colorado Rivers and through the Grand Canyon continues to be one of the most celebrated adventures in American history, ranking with the Lewis and Clark expedition and the Apollo landings on the moon. For nearly twenty years Lago has researched the Powell expedition from new angles, traveled to thirteen states, and looked into archives and other sources no one else has searched. He has come up with many important new documents that chan…