Ed Keable is the superintendent of Grand Canyon National Park. He and Brian sit down to chat about his 30+ years of federal service, their river trip together, and all things Grand Canyon. Enjoy Ed Keable! Big Adventures with Brian Dierker is produced with joy by Big Adventures

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Octavius Seowtewa is the supervisor of the Zuni Cultural Resource Advisory team. He and Briand sit down and chat about his life, the river, and the A:Shiwi in Zuni, New Mexico. Big Adventures with Brian Dierker is produced with joy by Big Adventures

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Carolyn Alvord is a river guide and former jockey. She sits down with Brian to talk about the wild world of horse racing and river guiding. Enjoy Carolyn Alvord!Big Adventures with Brian Dierker is produced with joy by Big Adventures

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Brian Dierker joins his own podcast to try and answer the question "Who is Brian Dierker?" He and producer Gavin Boughner sit down and try their best to find answers. Enjoy Brian Dierker!Big Adventures with Brian Dierker is produced with joy by Big Adventures

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Ellen Tibbetts is a river runner and artist out of Flagstaff. She and Brian sit down to discuss river running, ceramics, and much more. Enjoy Ellen Tibbetts!Big Adventures with Brian Dierker is produced with joy by Big Adventures

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Peter Reznick is a river runner, guide, realtor and water company owner. He and Brian sit down to chat about the early days of commercial river running in the Grand Canyon. Enjoy Pete Reznick!Big Adventures with Brian Dierker is produced with joy by Big Adventures

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Dave Stilley is a lawyer, river runner, businessman, and much more! He sits down with Brian to chat about growing up in Flagstaff, getting into the Marijuana industry, and river running. Enjoy Dave Stilley!Big Adventures with Brian Dierker is produced with joy by Big Adventures

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Dr. John Durham is an orthopedic surgeon from Flagstaff, AZ. He and Brian chat about how he got started in medicine, his work in Haiti and Tuba City, and more! Enjoy Dr. John Durham!Big Adventures with Brian Dierker is produced with joy by Big Adventures

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Dr. Steve Carothers is a biologist, ecological researcher, and much, much more. He sits down with Brian to chat about Grand Canyon ecology and how he got to where he is today. Enjoy Steve Carothers! Big Adventures with Brian Dierker is produced with joy by Big Adventures

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Gwendolyn Waring is a scientist, artist, and author. She sits down with Brian to talk about her work in the American Southwest. Enjoy Gwendolyn Waring!Big Adventures with Brian Dierker is produced with joy by Big Adventures

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