2 résultats
1988507825National Speleological Society 1988. Paperback. GOOD. 156pp 4 foldout maps. 8x11' B/W illustrated throughout with photos charts maps and diagrams. Spine cracked at the maps section a bit worn sound and unmarked otherwise. National Speleological Society paperback
1990507824National Speleological Society 1990. Paperback. VERY GOOD. 203pp. 8x11' B/W illustrated throughout with maps photos drawings and charts. Clean sharp copy. National Speleological Society paperback
