The Proyecto Espeleológico Purificación is a non-profit organization dedicated to the study and exploration of the caves and karst of the Purificacion Karst Region, in the states of Nuevo Leon and Tamaulipas, Mexico. The PEP publishes a journal, the Death Coral Caver. Membership in the PEP is open to interested individuals who share the project's goals of careful caving.  The information on this site is presented in the non-profit spirit, and may not be used for commercial purposes. Made with Xara Web Designer Home