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The National Speleological Society (NSS) is the largest organization in the world working every day to further the exploration, study, and protection of caves and their environments, and foster fellowship among cavers.
Membership is open to all conservation minded people interested in the enjoyment and better understanding of caves and their part in the ecology and history of the earth. Visit www.caves.org for more information on how to join and help.
This DVD is a slideshow, set to music by Keith Goggin, of the many aspects of caves and the features within.
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