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The organization engages in the research and scientific study, restoration, exploration, and protection of caves. It has more than 10,000 members in more than 250 grottos. [2] Since 1974 there has been a cave diving section of the society. [3] [4]
Spelunking is one popular activity at Gray Whale Ranch, although most cavers try to prevent the location of the caves from becoming widely known. One such example is the "Hell Hole" (originally known as the " Tom Sawyer Cave" when it was first reported in 1954; [ 4 ] subsequently known by the names of "IXL" and "Hell Hole" by 1990 [ 5 ] ) a ...
Caving in a muddy section of Black Chasm Cave in California Stephens Gap, a vertical cave in Alabama. Caving, also known as spelunking (United States and Canada) and potholing (United Kingdom and Ireland), is the recreational pastime of exploring wild cave systems (as distinguished from show caves).
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The Iranian Cave and Speleology Association (ICSA) is a non-governmental organisation (NGO) consisting of cavers and speleologists in Iran who are interested in exploring, surveying, researching and protecting the caves of Iran. The International Speleology Union (UIS) helped with the foundation of the ICSA by training cavers and supporting them.
The caves found here were created by flows of smooth lava 10,500 to 65,000 years ago. [1] J. D. Howard was the first to record notes on exploration of the underground passages. He named it after catacombs as the many side passages reminded him of the burial places of ancient Rome. [2]
A Grotto is an internal organization of the National Speleological Society (NSS). They generally function as the local NSS chapter/club. Many Grottos however, operate in areas outside their local area, with many operating in several states. [1]