USEFUL LINKS

INAH - Instituto Nacional de Antropologia e Historia / National Institute of Antropology and History

NSS-CDS National Speleological Society - Cave Diving Section - FAQ about Cave Diving

PADI - Professional Association of Diving Instructors - Recreational Courses

DAN - Divers Alert Network

Cave Diver's Forum

Xibaba, World of the Dead, Walter Pickel and Jon Bojar, Advanced Diver Magazine, 2010

Veins of the Earth, ABC News, Foreign Correspondent, Jane Cowan, March 12, 2013

Putting a Face to Eva of Naharon, The Oldest Human Relic Found in the Americas, Ancient Origins, Alicia McDermott, August 22, 2018

An Ancient Skeleton from an Underwater Mexican Cave Sheds Light on Early Americans, Science News, Helen Thompson, February 6, 2020

QRSS - Quintana Roo Speleological Survey

IANTD - International Association of Nitrox and Technical Diving – Cave Diving Programs

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