Californians live on the edge . . . of a tectonic plate, that is. In this geologically tenuous location, where a tsunami, earthquake, or volcanic eruption is ju

Focusing on California rocks and minerals, this tabbed booklet features detailed photographs, organized by rocks/minerals and then by general appearance, to hel

Part 2 contains lists of types, cotypes, paratypes, and figured specimens (plesiotypes) of vertebrate fossils, paleobotany and plant fossils, and records of var