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The Desert Speaks
Grand Canyon, The Human Touch
Season 15
Episode 1509
Host David Yetman joins his brother, geologist Dick Yetman, for an exploration of the traces of humans along the Colorado River and Grand Canyon region. They observe sacred salt mines from the boat, visit the intersection of the Little Colorado River with the main river, learn the history of rapids and spend time with scientists studying the effects of the Glen Canyon Dam.
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27:35
Scientists come from all over the world to study at the Southwestern Research Station.
27:50
How many mysteries are being solved and many benefits realized by the study of the desert.
27:21
Explore some real desert islands where birds, plants and animals struggle to survive.
27:30
Take a closer look a the animals and plants in and along the Sea of Cortez.
27:42
Take a look at some fascinating ways people can learn about the desert.
27:41
Spring in the Sonoran Desert is a time of beauty and abundant life.
27:45
Some amazing research projects which help the wild inhabitants of the desert.
27:41
Explore the hottest and driest region of North America, just south of the border.
27:25
The arduous journey of water through the Sonoran Desert Valley.
27:44
Over millions of years, geological formations have produced the Sonoran Desert.