How do rocks reveal those ancient landscapes? What type of life has inhabited Colorado over geologic time? In what ways has the state's geologic history influenced its past and current economy, and ...

The Canyon is a Book of Revelations in the rock-leaved Bible of geology ... in the layers upon layers of rocks exposed by the Colorado River. The expedition down the Green and Colorado ...

My path to a geology career began in the Colorado mountains during my youth ... field trips, and popular geology books and articles. My goal is to deepen public understanding of and appreciation for ...