Enjoy a quiet canyon amid the noise, haste and rumpled rocks of the East Bay.
The Central Valley has rocks and oil, but its geology also includes water and fossils. See them in this side trip during your next drive south.
A hundred years ago Alum Rock Park was a big health spa, with a rail line direct from downtown to the warm mineral springs. Today the springs still run among the upturned rocks between the Hayward and Calaveras faults.
Post on Apr 07, 2011 by Andrew Alden