DesertUSA: John Wesley Powell - A detailed biographical overview. www.desertusa.com/magnov97/nov_pap/du_jwpowell.html
John Wesley Powell - Government reports, including scanned images from Powell's reports to Congress concerning his exploration of the West. www.library.unt.edu/gpo/powell/powell.htm
Major John Wesley Powell - Biography of the explorer of the Colorado River, from the John Wesley Powell Memorial Museum. www.powellmuseum.org/MajorPowell.html
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. www.pbs.org/wgbh/amex/canyon
The Powell Expedition - A map and account of the events of the Colorado River expedition. www.kaibab.org/powell/powexp.htm
