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The National Speleological Society is a not for profit organization dedicated to the study, conservation, exploration and knowledge of caves.

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Flickr is almost certainly the best online photo management and sharing application in the world. Show off your favorite photos and videos to the world, securely and privately show content to your friends and family, or blog the photos and videos you...

Web site designed for teachers and students of English as a second or foreign language (ESL/EFL) interested in improving their linguistic skills. The site has many sections with grammar exercises, reading comprehension exercises, webquests, false ...

Facebook is a social utility that connects people with friends and others who work, study and live around them. People use Facebook to keep up with friends, upload an unlimited number of photos, post links and videos, and learn more about the people ...

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WikiAnswers: Questions and Answers from the Community

Texas Tech University Natural Resource Management

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Yahoo! Answers is a new way to find and share information. You can ask questions on any topic, get answers from real people, and share your insights and experience.