See also:

• Society: History: By Region: North America: United States: West: Personalities  (67)

• The American Experience: Lost in the Grand Canyon - Companion site to the PBS series about Powell's Colorado River journey. With timeline, maps, and program information.
• DesertUSA: John Wesley Powell - A detailed biographical overview.
• Major John Wesley Powell - Biography of the explorer of the Colorado River, from the John Wesley Powell Memorial Museum.
• The Powell Expedition - A map and account of the events of the Colorado River expedition.
• The Story of Major John Wesley Powell - A biography from Canyon Country Online.