Cave Research Foundation
- (CRF)An organization of cavers united primarily for scientific exploration and study of caves .
A Lexicon of Cave and Karst Terminology with Special Reference to Environmental Karst Hydrology. Courtesy of the author & The Karst Waters Institute. 2002.
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Cave Research Foundation — The Cave Research Foundation (CRF) is an American private, non profit group dedicated to the exploration, research, and conservation of caves. The group arose in the early 1950s from the exploration efforts at Floyd Collins Crystal Cave, now… … Wikipedia
Cave Research Foundation — La Cave Research Foundation (littéralement, la Fondation pour la Recherche de Grottes) est une association privée américaine, à but non lucratif et dédié à l exploration, la recherche et la conservation des grottes. Ce groupe s est mis en place… … Wikipédia en Français
Cave conservation — is the protection and restoration of caves to prevent or minimise the effects of human activity on caves.Some caves have delicate features that can be disturbed by changes in light levels, humidity and air flow. Caves that have lighting that… … Wikipedia
Cave — For other uses, see Cave (disambiguation). Cavern redirects here. For other uses, see Cavern (disambiguation). Lechuguilla Cave, New Mexico A cave or cavern is a natural underground space large enough for a human to enter. The term applies to… … Wikipedia
Cave diving — is a type of technical diving in which specialized SCUBA equipment is used to enable the exploration of natural or artificial caves which are at least partially filled with water. It is an extension of the more common sport of caving, but is much … Wikipedia
Cave painting — Cave paintings are paintings on cave walls and ceilings, and the term is used especially for those dating to prehistoric times. The earliest known European cave paintings date to 32,000 years ago. The purpose of the cave paintings is not known.… … Wikipedia
Cave Junction, Oregon — Infobox Settlement official name = Cave Junction, Oregon settlement type = City nickname = motto = Gateway to the Oregon Caves imagesize = image caption = image imagesize = image caption = image mapsize = 250x200px map caption = Location in… … Wikipedia
Mammoth Cave National Park — Mammoth Cave redirects here. For other uses, see Mammoth Cave (disambiguation). Mammoth Cave National Park IUCN Category II (National Park) The Rotund … Wikipedia
Parque Nacional de Mammoth Cave — Saltar a navegación, búsqueda Parque Nacional de Mammoth Cave Categoría IUCN II (Parque nacional) … Wikipedia Español
Mammoth Cave — Parc national de Mammoth Cave Mammoth Cave Catégorie II de la CMAP (Parc national)  … Wikipédia en Français