Lake terraces can be seen at the base of the Lomerias Muertas and above the San Benito River. This rich San Juan Valley soil was once the bottom of a Pleistocene lake. Photo by Jim Ostdick.

Science

San Benito Geology: San Benito Underwater

This is the fifth in a series of six monthly articles about the geology of San Benito County by retired Earth Science teacher Jim Ostdick. The focus of this article is Pleistocene Lake San Benito.