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National Speleological Society - http://www.caves.org/
The national caving organization of the USA, with links to all affiliated regions, grottos (clubs), sections, and special interest groups. |
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San Francisco Bay Chapter National Speleological Society - http://www.caves.org/grotto/sfbc/
Dedicated to exploration, study and conservation. Includes information about meetings, trips and events calendar, newsletter, projects, photos and contacts. |
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Karst Waters Institute - http://www.karstwaters.org/
Aiming to improve the fundamental understanding of karst water systems through sound scientific research and the education of professionals and the public. |
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Cave Research Foundation - http://www.cave-research.org/
Institutional member of the NSS. Involved with conservation, research and karst interpretation. Includes operation areas, programs and projects, publications, and membership information. |
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American Cave Conservation Association Inc. - http://www.cavern.org
Based in Horse Cave, Kentucky. Dedicated to preservation of karstlands. Includes membership application, volunteer projects, news, events and contacts. |
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MIT Caving Club - http://www.mit.edu:8001/activities/spelunk/home.html
Located on Massachusetts Institute of Technology campus. Offers trips during the school year. Includes schedule of events and contact information. |
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District of Columbia Grotto of the National Speleological Society - http://www.caves.org/grotto/dcg/
Founded in 1939 and dedicated to exploration, study and conservation. Includes calendar of events, project list, safety and equipment tips, meeting, membership and contact information. |
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Shasta Area Grotto - http://www.caves.org/grotto/sag/
Located in Northern California. Promotes conservation, study and preservation of caves. Features articles about safety, conservation, management, restoration and ethics. Includes photo galleries and contact information. |
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Woodville Karst Plain Project - http://www.wkpp.org/
Devoted to exploration of underwater caves in Big Bend area of northern Florida. Includes articles on history, equipment, procedures, decompression, diving updates, image gallery and contacts. |
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Cave Conservation and Management Section of the National Speleological Society - http://www.acave.us/ccms/
Provides a central clearinghouse for research, expertise, and information. Offers a newsletter, membership benefits, the CCMS constitution, bylaws, minutes, and future events. |
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Cave Diving Section of the National Speleological Society - http://www.nsscds.com/
Promotes education, safety and conservation in underwater caves. |
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Commander Cody Caving Club - http://www.caves.org/grotto/cccc/Home.shtml
NSS grotto based in the Delaware Valley. Dedicated to exploration, study and conservation. Includes calendar of events, contacts, meeting and membership information, photo gallery and links. |
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Michigan Karst Conservancy - http://www.caves.org/conservancy/mkc/
Formed in 1983 and located in Ann Arbor. Aims to acquire, manage and protect unique geology and associated ecosystems. Includes details of projects and membership application. |
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Northeastern Regional Organization - http://www.caves.org/region/nro/
Affiliated with the NSS and includes grottos in Pennsylvania, New York, New England and Eastern Canada. Includes newsletter, Constitution, meeting and contact information. |
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Baltimore Grotto of the NSS - http://www.caves.org/grotto/baltimore/
Founded in 1952 and dedicated to exploration, study and conservation. Includes calendar of events, contacts, membership information, photo album and projects. |
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Boston Grotto - http://www.bostongrotto.org/
Founded in 1952 to promote exploration, conservation, scientific studies and social activities. Includes contact information, trip calendar, newsletter, photo gallery and links. |
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Mother Lode Grotto of the National Speleological Society - http://mlg.hardakers.net/
Located in Sacramento, California and devoted to exploration, study and preservation. Includes information about meetings, membership, equipment, conservation, MLG history and contacts. |
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NSS Survey and Cartography Section - http://www.caves.org/section/sacs/
Information on mapping and documenting caves, data management and archiving, and all forms of cave cartography. |
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Central Connecticut Grotto - http://www.ctcavers.org/
Located in Plainville and is a chapter of the NSS. Includes Constitution, activities schedule, photos, membership form and contact information. |
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Potomac Speleological Club - http://psc.cavingclub.org/
Based in the District of Columbia area. Formed in 1957 to explore, conserve and study caves. Includes trip reports, calendar of events, projects, photos, meeting and contact information. |
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Southwestern Region of the NSS - http://www.caves.org/region/swr/
Formed to further the discovery, exploration, scientific study and conservation of karst areas in New Mexico and Texas. Includes Constitution, upcoming events, newsletter and contacts. |
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Minnesota Speleological Survey - http://www.mss-caving.org/
Affiliated with the National Speleological Society. Dedicated to study, exploration and conservation of caves. Includes information about projects, meetings, membership and contacts. |
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Southeastern Regional Association - http://www.caves.org/region/sera/
SERA is an organization made up of the Alabama, Florida, Georgia, Mississippi, North Carolina, South Carolina, and Tennessee NSS regions, USA. |
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NSS Vertical Section - http://www.caves.org/section/vertical/
Seeks to develop, educate, and train cavers in safe and efficient vertical rope techniques. |
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Columbia Grotto of the National Speleological Society - http://www.caves.org/grotto/columbia/
Activities in Calaveras and Tuolumne counties in California. Dedicated to promote exploration, conservation, study and preservation of caves. Includes meeting information, trip reports, photos and contacts. |
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The Gangsta Mappers - http://www.psc-cavers.org/gangsta-mappers/
Informal group throughout mid-Atlantic states devoted to cartography projects in Virginia and West Virginia. Includes summaries of current and past trips, photos and contact information. Password required to access websheets and schedule of events. |
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Northern New Jersey Grotto - http://www.nnjg.org/
Founded in 1952 and a chapter of the National Speleological Society. Contains contact information, meeting schedule, photos, upcoming trips and events. |
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Sligo Grotto of the NSS - http://www.caves.org/grotto/sligo/
Based in Maryland and chapter since 1970. Dedicated to conservation, protection, exploration and surveying. No fixed meeting dates and locations. Includes newsletter, photo album, membership and contact information. |
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NSS Communications and Electronics Section - http://www.caves.org/section/commelect/
Offers a forum for those cavers interested in cave radio and electronic gadgetry. Includes articles, newsletter, membership requirements and contact information. |
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Sandia Grotto - http://www.sandiagrotto.org/
Located in Albuquerque, New Mexico. Chapter of the NSS promotes study, conservation, safe exploration and fellowship. Includes Constitution, meeting and membership information, and photographs. |
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Salt Lake Grotto - http://www.caves.org/grotto/slgrotto/
A portal to organized caving in Utah. Meeting information, trip reports, upcoming trips, cave maps, and the Utah long and deep cave list. |
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Wisconsin Speleological Society - http://www.caves.org/grotto/wss/
Has chapters of the NSS in Green Bay and Madison. Promotes exploration and study. Includes membership information, events, trip schedules and contacts. |
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Dayton Underground Grotto - http://www.dugcaves.com/
Formed in 1992 for cave exploration and conservation. Includes calendar of events, contacts, newsletter, photos, library holdings and message board. |
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Cascade Grotto Home Page - http://www.cascadegrotto.org/
Based in Seattle, Washington. A chapter of the NSS dedicated to the study, exploration and conservation of caes and their contents. |
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Wasatch Grotto - http://www.caves.org/grotto/wasatch/
Chapter of the National Speleological Society meets in Bountiful, Utah. Includes meeting and trip schedules, membership list, photos and contacts. |
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Kansas Speleological Society - http://www.caves.org/grotto/kss/
Formed in 1983 to catalog, study and explore caves. Affiliated with the NSS. Includes membership and meeting information, library resources and contacts. |
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Crescent City Cavers - http://www.geocities.com/cccgrotto/index.html
Grotto of the NSS and located in Metairie, Louisiana. Dedicated to exploration and conservation. Includes Constitution, meeting schedule, membership form, calendar of events, photo gallery and contacts. |
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Silver Sage Grotto Home Page - http://www.caves.org/grotto/ssg/
Chapter of the National Speleological Society was founded in 2001 for exploration, conservation and survey of South Central Idaho caves. Includes Constitution and Bylaws, event schedule, meeting and contact information. |
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Stonewall Cavers of the National Speleological Society - http://www.stonewallcavers.org/
Section of the NSS for gay, lesbian and bisexual cavers. Includes contact information. |
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Gem State Grotto - http://www.gemstategrotto.org/
Located in Boise, Idaho and affiliated with the National Speleological Society. Promotes exploration, study, conservation and restoration of caves. Includes schedule of events and contact information. |
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Oregon Grotto of the Portland, OR / Vancouver, WA Area - http://www.oregongrotto.com/
Located in Vancouver, Washington and dedicated to the exploration and conservation of caves. Highlights photos, upcoming events, articles, a meeting schedule, and membership details. |
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Southern Colorado Mountain Grotto - http://www.socomogro.org
Caving in and around Colorado Springs, Colorado. |
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HR3 Home Page - http://thelances.org/hr3/
An NSS affiliated survey team called HR cubed. Survey news, history, membership list, accomplishments. |
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Central New Jersey Grotto - http://www.caves.org/grotto/cnjg/
Chartered in 1978 for exploration, conservation and study. Includes membership manual, monthly meeting notice, newsletters, photo galleries, store and links. |
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San Diego Grotto - http://www.sdgrotto.com/
Activities include exploration, surveying and conservation in California, Arizona, Nevada and New Mexico. Has meeting information, photos, maps and links. |
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Michigan Interlakes Grotto - http://www.caves.org/grotto/mig/
Based in Union Lake and is a chapter of the National Speleological Society. Promotes exploration and conservation. Includes upcoming events, meeting and membership information, photos, store and contacts. |
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Central Arizona Grotto Website - http://caves.org/grotto/cag2/caghome.html
Promotes exploring, surveying, conservation, vertical work and safety techniques. Includes calendar of events, trip reports and contact information. |
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NSS Video Section - http://www.caves.org/section/video/
Offers help in using camcorders, lighting systems, editing setups, and computer technology in cave-related presentations. Includes newsletter, membership and meeting information. |
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Colorado Grotto - http://www.caves.org/grotto/colorado/
Located in Denver and affiliated with the National Speleological Society. Dedicated to exploration, study and conservation. Includes meeting information, events, projects, photo gallery and contacts. |
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Diablo Grotto - http://www.museumca.org/diablo/
Located in the San Francisco Bay Area. Includes information about membership, meetings, trips, training sessions and projects. |
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Willamette Valley Grotto - http://www.caves.org/grotto/wvg/index.htm
Greater Portland area and chapter of the NSS. Offers recreational and scientific trips, surveying and mapping. Includes Constitution and Bylaws, meeting and membership information, calendar of events, photos and contacts. |
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Triangle Troglodytes - http://www.rtpnet.org/~tritrogs/
Located in Raleigh, North Carolina. Features trip and meeting schedules, newsletters, photo galleries and contact information. |
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SERA Karst Task Force (SKTF) - http://groups.yahoo.com/group/sktfvolunteer/
Resource organization dedicated to karst conservation and the clean up of karst features and caves, through the education of both the public and caving communities. Includes membership details. |
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Bear River Grotto - http://www.geocities.com/bearrivergrotto/main.html
NSS affiliate is located in the Cache Valley area of Northeastern Utah and dedicated to study, conservation and safety through education and training. Includes trip reports, photos, a list of officers, and contact information. |
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Tri-State Speleological Society, Inc. - http://www.ts3.netmx.co.uk/
Chapter of the NSS and located in New Jersey. Promotes the exploration, conservation, and preservation. Includes membership and contact information. |