Mediterranean Sea

Marine cave biology, anchialine caves and cave animals, cave diving, marine biospeleology, exploration and study of Yucatan and Bahamas caves

River Systems of the World

Introduction to cave exploring and the website

Speleobooks: Your Source for Bat & Cave Books, Periodicals, Prints, Posters, Jewelry, Gifts and Ephemera. Speleobooks is now online after more than 20 years in business.

Cave-exploration is an alliance of experienced cavers dedicated to exploring the caves of the Yucatan.

Amazon.co.uk: The River Thames Book (037d): Chris Cove-Smith: Books

Illinois Natural History Survey, Biospeleology web site, Author Steve Taylor

El Proyecto de Buceo Espeleologico México y América Central [also known as 'Mexico Profundo'] was founded by Jim Bowden in 1982 to advance knowledge of water filled caves and related features in México and Central America. Exploration includes mapping and surveying as well as a study of the geology, biology, and hydrology of each system. The Proyecto incorporates advanced and diverse underwater technologies including the creation and utilization of customized dive tables, computer technology, side scanning sonar, rebreather applications, and studies in hyperbaric medicine and physiology. Quantity Surveying - Take off

El Proyecto de Buceo Espeleologico México y América Central [also known as 'Mexico Profundo'] was founded by Jim Bowden in 1982 to advance knowledge of water filled caves and related features in México and Central America. Exploration includes mapping and surveying as well as a study of the geology, biology, and hydrology of each system. The Proyecto incorporates advanced and diverse underwater technologies including the creation and utilization of customized dive tables, computer technology, side scanning sonar, rebreather applications, and studies in hyperbaric medicine and physiology.