Contents: diary kept by Frederick S. Dellenbaugh of the Colorado River Expedition (1871-1873); J. F. Steward's "Through the Canyons of the Colorado" (1871); letters of John Wesley Powell and James C. Filling from records of the geological survey, Rocky Mountain survey, letters sent, 1877, 1878, 1879; Bureau of American Ethnology letters sent, J. W., Powell, 1897-1902; correspondence of Robert B. Stanton and Jack Sumner about Powell (1907). Includes references to Ute Indians.