The transition from the relatively flat Great Plains to the craggy peaks of Colorado�s Front Range is one of North America�s most abrupt topographical contrasts. The epic, 1,800-million-year geologic story behind this amazing landscape is even more awe inspiring. In Geology Underfoot along Colorado�s Front Range, the most recent addition to the Geology Underfoot series, authors (and geoscientists) Lon Abbott and Terri Cook...