The Cave Research Foundation (CRF) is an American private,

non-profit A nonprofit organization (NPO) or non-profit organisation, also known as a non-business entity, not-for-profit organization, or nonprofit institution, is a legal entity organized and operated for a collective, public or social benefit, in co ...

group dedicated to the exploration, research, and conservation of

caves A cave or cavern is a natural void in the ground, specifically a space large enough for a human to enter. Caves often form by the weathering of rock and often extend deep underground. The word ''cave'' can refer to smaller openings such as sea ...

. The group arose in the early 1950s from the exploration efforts at Floyd Collins Crystal Cave, now within

Mammoth Cave National Park Mammoth Cave National Park is an American national park in west-central Kentucky, encompassing portions of Mammoth Cave, the longest cave system known in the world. Since the 1972 unification of Mammoth Cave with the even-longer system under F ...

. Its stated goals were: to promote exploration and documentation of

and karst areas, initiate and support cave and karst research, aid in

cave conservation Cave conservation is the protection and restoration of caves to prevent or minimise the effects of human activities. Some caves have delicate features that can be disturbed by changes in light levels, humidity, temperature or air flow. Caves that ...

and protection, and to assist with the interpretation of caves and karst to the public.

Growth

CRF officially incorporated in 1957 under the laws of the Commonwealth of

Kentucky Kentucky ( , ), officially the Commonwealth of Kentucky, is a state in the Southeastern region of the United States and one of the states of the Upper South. It borders Illinois, Indiana, and Ohio to the north; West Virginia and Virgini ...

. The Guadalupe Cave Survey, explorers at

Carlsbad Caverns National Park Carlsbad Caverns National Park is an American national park in the Guadalupe Mountains of southeastern New Mexico. The primary attraction of the park is the show cave Carlsbad Cavern. Visitors to the cave can hike in on their own via the natura ...

New Mexico ) , population_demonym = New Mexican ( es, Neomexicano, Neomejicano, Nuevo Mexicano) , seat = Santa Fe, New Mexico, Santa Fe , LargestCity = Albuquerque, New Mexico, Albuquerque , LargestMetro = Albuquerque metropolitan area, Tiguex , Offi ...

, became part of CRF in 1971. In 1976, cave survey at

Sequoia National Park Sequoia National Park is an American national park in the southern Sierra Nevada east of Visalia, California. The park was established on September 25, 1890, and today protects of forested mountainous terrain. Encompassing a vertical relief of ...

Kings Canyon National Park Kings Canyon National Park is an American national park in the southern Sierra Nevada, in Fresno and Tulare Counties, California. Originally established in 1890 as General Grant National Park, the park was greatly expanded and renamed to Kings ...

California California is a state in the Western United States, located along the Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the most populous U.S. state and the 3rd largest by area. It is also the ...

, and

Buffalo National River The Buffalo River, located in Northern Arkansas, was the first National River to be designated in the United States. The Buffalo River is long. The lower flow within the boundaries of an area managed by the National Park Service, where the str ...

Arkansas Arkansas ( ) is a landlocked state in the South Central United States. It is bordered by Missouri to the north, Tennessee and Mississippi to the east, Louisiana to the south, and Texas and Oklahoma to the west. Its name is from the ...

, became CRF projects. Additional cave projects in

Cumberland Gap The Cumberland Gap is a pass through the long ridge of the Cumberland Mountains, within the Appalachian Mountains, near the junction of the U.S. states of Kentucky, Virginia, and Tennessee. It is famous in American colonial history for i ...

National Historic Park,

;

Lava Beds National Monument Lava Beds National Monument is located in northeastern California, in Siskiyou and Modoc counties. The monument lies on the northeastern flank of Medicine Lake Volcano and has the largest total area covered by a volcano in the Cascade Range. ...

; and the

Ozark National Scenic Riverways The Ozark National Scenic Riverways is a recreational unit of the National Park Service in the Ozarks of southern Missouri in the U.S. The park was created by an Act of Congress in 1964 to protect the Current and Jacks Fork rivers, and it wa ...

Missouri Missouri is a U.S. state, state in the Midwestern United States, Midwestern region of the United States. Ranking List of U.S. states and territories by area, 21st in land area, it is bordered by eight states (tied for the most with Tennessee ...

; have been included as operation areas of the CRF.

Focus

Starting with

, CRF work has primarily focused on United States federal lands---particularly within

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 U.S. state, states, a Washington, D.C., federal district, five ma ...

National Parks A national park is a natural park in use for conservation purposes, created and protected by national governments. Often it is a reserve of natural, semi-natural, or developed land that a sovereign state declares or owns. Although individua ...

. As such, the CRF has been involved with several of the major cave exploration achievements of the 20th century. In particular, CRF mapping at

Mammoth Cave Mammoth Cave National Park is an American national park in west-central Kentucky, encompassing portions of Mammoth Cave, the longest cave system known in the world. Since the 1972 unification of Mammoth Cave with the even-longer system under F ...

led to its documentation as the world's longest known cave. Since its inception, CRF has primarily been concerned with

cave mapping A cave survey is a map of all or part of a cave system, which may be produced to meet differing standards of accuracy depending on the cave conditions and equipment available underground. Cave surveying and cartography, i.e. the creation of an acc ...

. Thus, its membership draws experienced

cavers Caving – also known as spelunking in the United States and Canada and potholing in the United Kingdom and Ireland – is the recreational pastime of exploring wild cave systems (as distinguished from show caves). In contrast, speleology is ...

, particularly those interested in cave surveying and cartography.

Cave Books

Cave Books, founded in 1981, is the non-profit publishing affiliate of the Cave Research Foundation. It is perhaps the world’s largest publisher of books on caves, karst, and

speleology Speleology is the scientific study of caves and other karst features, as well as their make-up, structure, physical properties, history, life forms, and the processes by which they form ( speleogenesis) and change over time (speleomorphology ...

. Cave Books is staffed by volunteers, and the managing editor is Elizabeth Grace Winkler.

Notable CRF cartographers and authors

* Patty Jo Watson, Ph.D., archaeologist * Richard "Red" Watson, Ph.D., author of books on caves and philosophy * Roger Brucker, explorer and author * Patricia Crowther, explorer and computer programmer * Will Crowther, explorer and computer programmer

External links

Cave Research Foundation websiteCave Books
{{Authority control Caving organizations in the United States Cave research