This volume presents the narrative, from my point of view, of an important government expedition of nearly forty years ago: an expedition which, strangely enough, never before has been fully treated. In fact in all these years it never has been written about by any one besides myself, barring a few letters in 1871 from Clement Powell, through his brother, to the Chicago Tribune, and an extremely brief mention by Major Powell, its organiser and leader, in a pamphlet entitled Report of Explorations in 1873 of the Colorado of the West and its Tributaries (Government Printing Office, 1874). In my history, The Romance of the.