The Disappearance of the Anasazi Explained, by Ben F.
Staring at the “Arrival: Imminent” message flashing on the screen of my Garmin Etrex, I stumbled into the canyon below the Banister Ruins cliff dwellings in Grand Gulch Utah at about midnight. I couldn’t be sure where I was, because darkness obscured the familiar landmark of the ruins. I dropped the 50-lb pack with 10 days of freeze-dried foods and other paraphernalia, marked the spot on the e-Trex GPS, and then tried to follow the shifting arrow to the spring that was supposed to be there. Instead, I would confront an 800-year-old secret for which my technology would be no …