The U.S. Geological Survey will be conducting low-level helicopter survey flights over over norther Routt County and parts of ...

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 ...

Ryan Crow of the U.S. Geological Survey (USGS) gave a talk to a packed crowd at the Museum of Northern Arizona Jan. 12 ...