Access to this video is a benefit for members through PBS Passport.
Back to Show
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.
Support Provided By
26:20
Travel around Chihuahua, Mexico with the Arizona-Sonora Desert Museum’s Jesus Garcia
26:20
Travel through Michoacán to explore its coast, diverse habitats and local traditions.
26:20
Travel to a festival dedicated to cactus fruit in an area southwest of Guadalajara.
26:20
Travel to Jalisco, Mexico to explore how agave is gronwn, harvest and tequila is made
Unlock with PBS Passport
26:19
Discover how scientists use tree rings to gather evidence of climate conditions.