How did Colorado's current and ancient landscape form? 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 ...

The Places to See Fossils in Colorado poster features a map of Colorado color-coded to represent the respective geologic ages of rocks throughout the state (See the “Key to Ages of Colorado Rocks” in ...

ONE OF THE reasons I became a geologist was the maps. I will never have enough walls in my house for all the beautiful geologic maps I'd love to hang. But these maps are also full of information about ...