Download or read book Classic Concepts and New Directions written by Lon D. Abbott and published by Geological Society of America. This book was released on 2013-10-16 with total page 388 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This guide's 14 chapters, which span the Rocky Mountain region's 1.7-billion-year history, give a retrospective glimpse of early geologic ideas being forged, bring the latest mapping and analytical results from classic locations, and introduce techniques that will form the bedrock of our geologic understanding in the years to come"--