JUNCTION Here's where Coulter pines make their famous last stand at Black Diamond Mines Regional Preserve.
Presented by Save Mount Diablo, with help from Mount Diablo Interpretive Association and East Bay Regional Park District. Photos by Scott Hein. Featuring Seth M. Adams, Heath Bartosh, Kevin Dixon, Robert Doyle, Scott Hein, Ken Lavin, and Ray Sullivan. Produced by Joan Hamilton.
