Multimedia - Keepers of the Beat

Geologist Dr. Jon Riedel eats, sleeps, and breathes glaciers. They are high, hard-to-reach, and hard to study. Keepers of the Beat follows Jon and his work studying glaciers and climate change at North Cascades National Park.

Executive Producer: Jerry Freilich, NPS
Created by: Silver Fir Media, silverfirmedia.com

Duration:  18:01 minutes