COAL CANYON In this shady canyon, we learn about the botanical riches of Black Diamond Mines Regional Preserve. It's a place where East meets West, where plants from the Central Valley and the coast all thrive and where botanists made a remarkable discovery in 2016.

Presented by Save Mount Diablo in partnership with Mount Diablo Interpretive Association. Produced by Joan Hamilton.

Featuring Seth Adams, Kevin Dixon, Robert Doyle, Scott Hein, Heath Bartosh, Ken Lavin, and Ray Sullivan. Special thanks to East Bay Regional Park District.