UnderEarth

The following sites represent organizations and associations related to research and other activities under the surface of the Earth such as mining and cave exploration.

Australian Speleological Federation	The Australian Speleological Federation (ASF) is an Environmental Organisation with the primary objective of protecting the cave and karst environment of Australia.
National Speleological Society	The National Speleogical Society (NSS) was founded on the purpose of advancing the study, conservation, exploration, and knowledge of caves.