Magdalena S Donahue

"To discover the geologic novelties of the Centennial State, all that is required is a good map, a sense of adventure, and Colorado Rocks, a guide to 50 of the most compelling geologic sites in Colorado. The well-chosen destinations span the state's geologic history from Precambrian rocks of the Black Canyon to the modern shifting landscape of the Great Sand Dunes. Many of these sites are on every geologist's bucket list. The Great Unconformity, a...