To Denverites the 41-year-old Castlewood Dam, 30 mi. back in the hills above the city, has been a blessing and a menace. It provided a huge irrigation reservoir three miles square. It checked the occasional rampages of Cherry Creek, the historic stream which sluices between concrete embankments through the heart of the city to empty into the South Platte. Ever since the dam was pronounced unsafe by engineers, Denver has feared that its walls might one day crumble and a torrent of water go racing down Cherry Creek into the city. Not long...

Want the full story?

Subscribe Now


Learn more about the benefits of being a TIME subscriber

If you are already a subscriber sign up — registration is free!