First published in 1993, this groundbreaking book is now fully revised and updated with the latest scientific information. Join a team of geologists as they use clear prose, concise illustrations, and dramatic full-color photographs to tell the stories of 21 amazing geologic sites, 3 of which are completely new to the book-San Andreas Fault, Devils Punch Bowl, and St. Francis Dam. Reading the rocks like pages in a book, Geology Underfoot in Southern California offers an inside view of the southland’s active and sometimes enigmatic landscape.