Report on the lands of the arid region of the United States, with a more detailed account of the lands of Utah - Drummond, Willis, 1808-1879; Dutton, Clarence E. (Clarence Edward), 1841-1912; Gilbert, Grove Karl, 1843-1918; Powell, John Wesley, 1834-1902; Thompson, A. H. (Almon Harris), 1839-1906