Neither of the two DV guidebooks I've always used have any entries for Corkscrew - and that surprises me with the Digonnet guide, 'cuz the damn thing weighs 5 pounds!
Digonnet has some surprising omissions: Corkscrew Peak, Sidewinder Canyon, and Furnace Slot Canyon. The most comprehensive guide is Steve Hall's web site
www.panamintcity.com. Steve is in the process of covering seemingly every square inch of Death Valley.
Andy Zdon's book describes a different route from the one that Kevin R and I posted. Zdon's route is the same as in the Sierra Club's Desert Peaks Section. Bob R has posted many trip reports over the years with other routes including one that started from Titus Canyon and included Thimble Peak as well.
