Jim David is a river runner, chemist, mathematician, and educator. He and Brian chat about early days on the Colorado River, the importance of science education, and the future of the planet. Enjoy Jim David!Big Adventures with Brian Dierker is produced with joy by Big Adventures
Entertainment LLC.

Jim David is a river runner, chemist, mathematician, and educator. He and Brian chat about early days on the Colorado River, the importance of science education, and the future of the planet. Enjoy Jim David!Big Adventures with Brian Dierker is produced with joy by Big Adventures Entertainment LLC.

Jim David

Grand Canyon boatman Brian Dierker sits down to chat with fellow guides, scientists, politicians and oddballs about adventure, conservation, and all things outside.

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Jim David

Jim David

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