Front Cover

AMCS
Activities Newsletter

Number 12
April 1982

Edited by Duwain Whitis
94 pages

Back Cover
Download 8MB PDF

Table of Contents

2
Mexico News
10
Huautla ’81, by Mark Minton
13
Sistema Purificación, by Peter Sprouse
19
Sierra de Guatemala, by Bill Elliott
25
Tilaco Area, by Carlos Lazcano
28
Long and Deep Cave Lists, compiled by Peter Sprouse
30
Progress at San Bernardo, by Steve Knutson
34
An Improved Ropewalker, by Ron Simmons
37
Caves of the San Miguel Doline, by Roy Jameson and Patricia Mothes
43
Exploration of Boca del Río Apetlanca, by Sheri Engler
49
Sump Diving in Carrizal, by Wayne Russell
52
 A Piezoelectric Lamp Ignitor, by Mark Minton
55
Caves of El Rancho Minas Viejas, by Paul Duncan
59
Zongolica: 1980-81 French Expedition, by Philipe Ackerman and Genevieve Rouillon
71
Deer Tracks in Cueva de los Pájaros, by Roy Jameson
75
Composite Diving Tanks, by Bill Stone
81
The San Agustín Sump, by Bill Stone
87
Caves of the Sierra de El Abra, by Gerald Atkinson
93
Recon to Miquihuana, by Ron Jameson

 


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