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it has rained three and four inches during the night and theyhave noted only a small rise in the rate of flow of both streams.This is probably due to the fact that there are so many sinkholesand passageways in the limestone of the Tlamaya area thatno one system carries a very large percentage of the water.From all signs observed in the cave on previous trips, the streamsnever reach a really high level or become raging torrents, evenduring the very heaviest of rainfalls. This was proven recentlywhen a group visited the cave after nearly a week of continuousrain. They found that objects that could be easily moved by evena small stream (empty Clorx bottles, cans, clothing) remained inthe places where they were left, some only a few feet above thenormal low level of the water. One consideration, that is ofgreat interest, is that after the recent, nearly week-long rain,the whole water table in the area rose and flooded the last 130to 200 vertical feet of the cave. This was the first rainfallof such magnitude in several years. The normal rainy season isduring the summer months. During this period the level of thestreams does rise somewhat and may cause flooding in a smallsection of the cave near the end. So, perhaps the best time toexplore the cave is between Christmas and Easter.s6tano de Tlamaya is no "easyl1 cave. Even though, in viewof the in<strong>for</strong>mation above, exploration seems simple and clear cut,there are many unseen dangers that could mean the differencebetween success and death. Perhaps the greatest danger is fromfatigue. It may seem easy going in, but after you have reachedyour goal the real work begins. It's a long prusik out and manya stout caver has sworn he wasn't going to make it. One alsohas to keep in mind that an average trip through the cave takesbetween 25 and 35 hours of steady caving. A long timeL To makematters worse there is the loss of egergy due to the cold. Anair temperature of 68 F and water 64 F may not seem cold to younow, but when you're soaking wet and trying to get a few minutesrest on a gravel bar, that shivering isn't your imagination.Another hazard, that is unavoidable, is that of an accident. Theonly precaution one can take is just to be careful and make surehis equipment is in good shape. Even the most minor of accidentscould be fatal, <strong>for</strong> the nearest people that could render any aidare here in Austin, 800 miles away. It is suggested that anyoneplanning to go to Mexico first contact the AMCS. Here they canlearn of the latest developments in the area or caves they planto Visit, but most important, they can let someone, who can help,know where they will be i~ case there is an emergency.17
UPPERENTRANCE71LOWERENTRANCE100~J200~OO400sOOBOO700PIT~u~lr~~9 OPETLAMAYABRUNTON AND TAPE XILITLA, SAN LUISASSOCIATION fOR SURVEY BY THE POTOSIDRAFTED BY T. RA~::~CAN CAVE STUDIES24 MARCH 1985.00FOSSILPIT100BIGROOM1000 FToriginal was
Page 1: THE ASSOCIATION FORMEXICAN CAVE STU
Page 5 and 6: de T1amaya the deepest surveyed cav
Page 7: and is about 200 feet long. It is p
Page 10 and 11: Modesto G6mez Saldivar, 1898-1966Mo
Page 12 and 13: JOHN WILLIAM FRANCIS HARRISONBORN B
Page 14 and 15: have been found even at Harrison's
Page 16 and 17: Note: This is the first of a series
Page 20 and 21: The Deep Caves or the Western Hemis
Page 22 and 23: THE ASSOCIATION FORMEXICAN CAVE STU
Page 24 and 25: Persons: Ed Alexander, Bob Burnett,
Page 26 and 27: go north of Galeana to Ranchero Sou
Page 28 and 29: 26Persons: Chip Carney and Don Eric
Page 30 and 31: =::::::?------------I.r-L6-\. MUD S
Page 32 and 33: Sandy-floored passage in S6tano de
Page 34 and 35: slopes, made difficult by the thin
Page 36 and 37: Persons: Faye Chapman I Jonathan Da
Page 38 and 39: a rutted road. On the other side of
Page 41 and 42: Entrance to S6tano de San Antonio.
Page 43 and 44: totENTRANCEo 30FEET60 90iCUEVA DETL
Page 45 and 46: contained a long, steep talus slope
Page 47 and 48: Entrance to Cueva del Salitre.Photo
Page 49 and 50: On July 12 I had an hour's intervie
Page 51 and 52: THE ASSOCIATION FORMEXICAN CAVE STU
Page 53 and 54: One of the many Santa Fe dirt sinks
Page 55 and 56: 330 feet. At the bottom along one s
Page 57 and 58: species of milliped of a group not
Page 59 and 60: secondary opening one-third of the
Page 61 and 62: After a perusal of our topo maps th
Page 64 and 65: HUAUTLA DE JIMENEZ, OAXACAAREA SKET
Page 66 and 67: 11. Pit just down hill from pit 10.
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21. SOTANO DE SAN AGUSTIN - This s6
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LOWERENTRANC.EPROI="ILEuppeR£NTRAN
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RECENT PAPERS ON MEXICAN CAVE BIOLO
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here from Gruta del Palmito, Nuevo
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THE ASSOCIATION FOR MEXICAN CAVE ST
Page 78 and 79:
View north along valley of the Inte
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Typical fissure passages in S6tano
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valley below the resurgences were d
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point on, green mosses cover the wa
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Persons: John Fish, David McKenzie,
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Buena la dozen eager guides led us
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los Riscos (see sketch map on page
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Persons: Jim and Barbara Hershberge
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20' PITENTRANCE L-l. ", ...,\ '-'-~
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Editor's Note: The following propos
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permanent river in the area is the
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Develop the cavern and an access to
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OF THEPROPOSEDPARQUE NACIONAL DE LA
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100area, was rather surprising, sin
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1.2.3.4.5.6.MEXICAN CAVE BIOLOGY:AN
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15.16.17.18.19.Reddell" James R. 19
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THE ASSOCIATION FORMEXICAN CAVE STU
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107NEWSNOTESTABLE OF CONTENTSTRIP R
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109CAVEMAPSDuring the past six year
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111CAVES OF GUERRERO AND MORELOSJOH
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113in the volcanic detrital deposit
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115CAVE DESCRIPTIONSGRUTA DE ACUITL
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117CUEVA DE CARLOS PACHECOcavecavec
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119CUEVA DEL DIABLOLocation:Descrip
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121References:levels. The entrance
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123decorated passage which extends
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125collections by Stanley Kiem (Loo
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1279.10.11.12.13.14.caves or cave-l
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THE ASSOCIATION FORMEXICAN CAVE STU
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131TABLE OF CONTENTSNEWS NOTES. ...
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NENCINO - JULILO ROADSSOTANO DE SAN
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FEETo100SOTANO DE LA JOYAJOYA DE SA
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137had not been checked was followe
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139a high mountain karst area with
Page 148 and 149:
-SaltilloMonter..SKETCHMAPofCA~ON D
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143another 15 miles before we turne
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ENTRANCE Q~\\F~\~.~ ..~~-.~~~O~v'\.
Page 154 and 155:
147S6tano de las Ra!ces lon the sam
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149and color motion pictures. The f
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151ground in the area. (See photogr
Page 160 and 161:
ENTI'ANCEGRUTADENAVIDADMUNICIPIO DE
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155NOTES ON THE EXPLORATION OF SOTA
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157obtain a rough idea of how many
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159Grutas de Mogote, located one mi
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161Past the first large room (appro
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163-749 feet. The left-hand passage
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165it looked a good 300 feet deep.
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167was. Almost 2 hours were require
Page 176 and 177:
Haarr, Allan P. 50 Clover Dr Delmon
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171Young, sam and Diane 474 lOth Av
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173RECENT ADDITIONS TO THE KNOWLEDG
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175large horizontal passage about 1
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177S6tano de Huitzmolotitla, with a
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AreaNorth ofMonterreySouth ofMonter
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182BIOLOGYSECTIONMEXICAN CAVE BEETL
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184from Canada to Oaxaca, but only
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INDEXVOLUME1966II
Page 196 and 197:
187Cantabroniscus primitivus isopod
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189Hooton, Diana 6:149-154Hosley, B
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191pictographs 5:121Pinal de Amo1es
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193from La Si11eta looking eas~)f.
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