Geology of Anza-Borrego: Edge of Creation (California Desert Natural History Field Guides, No 1)

A fascinating introduction to one of the most active seismic regions in North America where new earth crust is created as the Baja peninsula (and Borrego) splits from the mainland. Eight field trips journey through deep time in the desert, illustrating major themes of earth science. Numerous maps, photos, and diagrams lend understanding to the exciting story.