Michael Collier
- Author
- Bill Gloeckler, Brian Dierker, Margaret Knight, Gavin Boughner
- Published
- Tue 24 Mar 2020
- Episode Link
- https://big-adventures-with-brian-dierker.simplecast.com/episodes/michael-collier-C3sVx3Pe
Michael Collier is a medical doctor, geologist, boatman, pilot, photographer, and all around good guy. He sits down to chat with Brian about how the Grand Canyon has shaped his life, and the mentors that helped him along the way.
