Christa Sadler is an educator, author, and river guide. She and Brian sit down to chat about science in the Grand Canyon, her books, and adventuring around the globe. Enjoy Christa Sadler!Big Adventures with Brian Dierker is produced with joy by Big Adventures
Entertainment LLC.

Christa Sadler is an educator, author, and river guide. She and Brian sit down to chat about science in the Grand Canyon, her books, and adventuring around the globe. Enjoy Christa Sadler!Big Adventures with Brian Dierker is produced with joy by Big Adventures Entertainment LLC.

Christa Sadler

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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Christa Sadler

Christa Sadler

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