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75 Years of Organized American Caving
**For a Limited Time we have copies of "Diamond Jubilee" signed by Author, Paul Damon. Get yours while they last.**
Published in celebration of the NSS' 75th Anniversary, Diamond Jubilee of the National Speleological Society is a hardbound, 291 page, historical book covering highlights from our past 75 years. The publication includes sections on national, regional, and grotto events, in addition to extensive chapters on science and technology, as well as hundreds of historical photos.
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