| 1. Friends of Calukmul
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| Non-profit organization dedicated to the conservation of jaguars and their habitat, primarily near the Calakmul Biosphere Reserve. Describes conservation efforts, how to donate, and history of the reserve. |
| http://www.calakmul.org |
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| 3. State of Campeche
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| General and tourist information includes government, Mayan culture, pirates, colonial history, photos. |
| http://members.tripod.com/~repcamp |
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