PMI On Rope 2nd Edition
Excellent reference on descending, ascending, rigging, self rescue, equipment, and much more. A must for the serious ropework scholar. By: Allen Padgett, Bruce Smith and the National Speleological Society (NSS) Vertical Section
Key Features: Over 400 illustrations • Published by the National Speleological Society
Key Features: Over 400 illustrations • Published by the National Speleological Society
PMI On Rope 2nd Edition