Dinosaur National Monument - Colorado, Utah
inosaur National Monument's cultural history dates back 10,000 years. The Yampa and Green Rivers have provided water for survival in an arid country.
Photo credit to National Park Service
Mark W. Kaelin has been writing and editing stories about the IT industry, gadgets, finance, accounting, and tech-life for more than 25 years. Most recently, he has been a regular contributor to BreakingModern.com, aNewDomain.net, and TechRepublic.