Titan of chasms; the Grand Canyon of Arizona. The titan of chasms, by C.A. Higgins. The scientific explorer, by J.W. Powell. The greatest thing in the world, by Chas. F. Lummis. Information for tourists ... 15th thousand
Higgins, C. A. (Charles A.); Powell, John Wesley, 1834-1902; Lummis, Charles Fletcher, 1859-1928