Eric Bjorstand died before updating any books beyond Desert Rock IV and although he mentions the climbing areas in Devils Canyon, this tower isn't in DRIII (it's first ascent wasn't until four years after DRIII was published). It is on Mountain Project and other websites (EB did ask me about the tower after I signed the MP log):
https://www.mountainproject.com/v/the-c ... /105759357I guess that it would not meet your criteria here:
http://listsofjohn.com/glossary#unoffIt has however, become something of a well known pseudoclassic tower and climbing problem, so I think that it would be nice to have on LOJ. I guess it doesn't meet your criteria though. :(