American naturalist John Wesley Powell led two expeditions down the Colorado River—the first in 1869 and the second in 1871-1872.  Among his companions on the second journey was his first cousin Walter Clement “Clem” Powell (pictured), who documented his experiences during the trip in a series of journals, the first of which is available to read below.

Read the journal in the viewer below or download PDF (10.4 MB).

GRCA Catalog No. 20819.