Scientific American Supplement, Vol. VI 1895 Scientific American cover featuring black and white illustrations of the Grand Canyon. Text surrounds the images, highlighting canyon features.
Scientific American Supplement, Vol. VI

John Wesley Powell Collection

John Wesley Powell, the iconic explorer of the Colorado River, left the American southwest with a rich legacy. During his expeditions he compiled data and a number of sketches describing the landscape. This collection contains various writings and geographical publications to which Powell contributed.