DrTopo.com is no longer live, I'll save you the effort.
This is a pamphlet-style guide to a few bouldering areas in Joshua Tree, including Hidden Valley Campground, Baker Dam, Ryan Campground, the Asteroid Belt, JBMF Area, Turtle Rock, Cap Rock, and Real Hidden Valley.
28 pages, b&w with many computer-made maps. Dr. Topo's business card is included.
