AMCS
Activities Newsletter

Mexico News, compiled by Bill Mixon 5
long and deep cave lists, compiled by Peter Sprouse 23

Rescue in the Sierra Negra, by Alain Goupil 25
Los Cenotes de Rancho La Azufrosa, by Marcus Gary 31
Sistema Ehécatl-Xalltégoxtli, by Ramón Espinasa Pereña and Chris Lloyd 39
The Acid Test: Cueva de Villa Luz, by Jim Pisarowicz with a contribution by Louise Hose 48
Atepolihuit del Teponahuas, by Chris Lloyd 55
Surveying Underwater Caves, by Jim Coke 59
Dos Aguas, Michoacán, 1999, by Chris Lloyd 67
Rancho Colorado, Nuevo León, by Peter Sprouse 71
Accident Report: Sótano del Aire, by Joe Ivy 76
Sistema Ponderosa Resurvey Project, by Steve Gerrard 79
The Pit in Dos Ojos, by Hazel Barton, with a contribution by Jill Heinerth 84
Myrna's Gift: Nohoch Kiin, Quintana Roo, by Dan Lins and Andreas Matthes 92
The Quintana Roo Speleological Survey, by Jim Coke 95
Chemosynthetic Contributions to Yucatan Ecosystem, by John Pohlman 99
Ghoulish Caving, by Mitchell Ventana 102

book review: Cenotes of the Riviera Maya 38
book review: Caves: Exploring Hidden Realms and Science at the Extreme