Realm of Science January 20th 1916
Rigge, William F., S.J.
Rigge Papers , The Realm of Science
The Grand Canyon
First Paragraph: | The Grand Canyon of the Colorado River in Arizona is unquestionably one of the greatest natural wonders of the world. It is altogether unique in its kind, in its grandeur and in its magnificence, and especially in its magnitude, which is by far its most impressive feature and deserves for it the appellation of the Titan of Chasms.