Ancient Reservoir System Decyphered in Mesa Verde

It is just amazing that significant finds remain literally under our noses. Lives of ancient peoples of the American South West fascinate me. Most fascinating is how little we actually know about them. This Denver Post article details the most recent revelation of these peoples:

"The Ancestral Puebloans that populated the riverless mesa top conquered the impossible by creating a water system to sustain their domestic and agricultural needs," says Patricia Galloway, president of the American Society of Civil Engineers.

Here's a Google News search for latest stories on this realization.