The Promise of the Grand Canyon
2018-08-05T22:59:55-04:00https://images.c-span.org/Files/8db/20180805231037002_hd.jpgJohn Ross explored the life of John Wesley Powell who, in 1869, became the first person to travel the entire Colorado River through the Grand Canyon.
John Ross explored the life of John Wesley Powell who, in 1869, became the first person to travel the entire Colorado River through the Grand Canyon.