Bay Area Geology: Episode 19

Round Valley Tour

The secluded meadows of ROUND VALLEY REGIONAL PRESERVE  lie just a few miles south of Brentwood, California. The park has just re-opened following a 3,000-acre fire in August, so it's a great time to take a wildlife-rich walk out there! Want to learn more? Listen up . . . Sponsored by Save Mount Diablo & Thomas J. Long Foundation, 2012. Featuring Seth Adams, Robert Doyle, Scott Hein, and Brian Kruse. Music from Local Joe by Phil Heywood.

Bay Area Geology: Episode 21

A curious crew from the California Geological Survey combed California in the 1860s. They were led by scientists Josiah Whitney, William Brewer, and Clarence King. Hear their stories in episode 21 of the TRAIL THROUGH TIME, featuring naturalist Ken Lavin. Sponsored by the Mount Diablo Interpretive Association in partnership with Save Mount Diablo. Videography by Macha Rose. Animations by Tanya Atwater, UC Santa Barbara. Music by Phil Heywood. Produced by Joan Hamilton.

Bay Area Geology: Episode 20

We travel back to a time when short-faced bears and dire wolves roamed the place we now call home. It's the conclusion of our walk on Mount Diablo's TRAIL THROUGH TIME.  The series features naturalist Ken Lavin and is sponsored by the Mount Diablo Interpretive Association in partnership with Save Mount Diablo. Videography by Macha Rose. Animations by Tanya Atwater, UC Santa Barbara. Music by Phil Heywood. Produced by Joan Hamilton.

Bay Area Geology: Episode 19

A red pebble in this sandstone tells geologists that Bay Area rivers were flowing backwards (from west to east) when the rock was formed. How can that be? Learn the history of your homeland on the TRAIL THROUGH TIME, a series of geology videos featuring naturalist Ken Lavin. Sponsored by the Mount Diablo Interpretive Association in partnership with Save Mount Diablo. Videography by Macha Rose. Animations by Tanya Atwater, UC Santa Barbara. Music by Phil Heywood. Produced by Joan Hamilton.

Bay Area Geology: Episode 18

In this episode, we find that rocks that should have been deposited over a span of 35 million years are missing on Mount Diablo. Why? Find out on the TRAIL THROUGH TIME, a series of geology videos featuring naturalist Ken Lavin. Sponsored by the Mount Diablo Interpretive Association in partnership with Save Mount Diablo. Videography by Macha Rose. Animations by Tanya Atwater, UC Santa Barbara. Music by Phil Heywood. Produced by Joan Hamilton.