asscciation for mexican cave studies box 7672 ut station austin ...

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26In response to the questions posed in Hedges' letter of August 22:(1.) I favor a basic list of symbols which could be used in most situations.Additionally, a supplewentary list containing sywb0l.s whjch would be used onlyin special maps or in a't:roical situations. It sort. of appears that there arejust too many s:~bols floating around for them to be effectively used asstandard symbols. .(2.) I am in favor of developing the basic list by drawing from both the Hedges'list and AMeS's list. I really don't see that it is a question of building onone list as opposed to the other, but rather selecting the most appropriatesycbols from both lists.(3.) I am returning with this letter all the symbolz from both lists whichwere sent to me by Hedges. (Due to cost of Xeroxing, "this material is not beingforwarded to all c~ttee members.) I have indicated in the margins thosesymbols which should be part of a basic list and those which I feel would bestbe included in a supplementary listing. Symbols without marks were deemedinappropriate fer inclusion in either list.In addition to responding to Hedges' questions, I should like to addthat I do not think that a finalized set 0f symbols can be very effectivelydeveloped through a co~ttee st~~ctured such as this. I assume that weA.re sin'."ply functioning to more or less mediate a dispute rather than putforth a finalized "masterpiece".In closing, if you are in need of additional. comment, please do nothesitate to contact me.Tam CravensSTANDARD LEGEND FOR CANADIAN CAVER MAPSIn order to save time and effort in drafting cave maps I amproposing a standard set of cave symbols to be used on maps publishedin The Canadian Caver. Starting with this issue maps will be publishedwithout a legend, unless special symbols are used. A list of recommendedsymbols is given below and will be published (in a condensed form) ineach issue of The Canadian Caver. Unfortunately, there is no standardset of symbols in general use in North America so I have chosen a mixtureof those used by the C.R.G., the A.M.C.S. and the N.S.S. (as recommendedby James Hedges). Hopefully everyone will get together to producean acceptable list of cave symbols eventually.What must appear On every map is the name of the cave and atleast the province or state it is located in, a scale both in metresand feet, north arrow, the map units (ie. feet or metres), survey instrumentsused (preferably with some indication of the accuracy of thereadings) and the names of the surveyors. It is also usual to give thetotal surveyed length and depth of the cave. Other notes may be made atthe discretion of the draftsman. Those familar with the CRG system ofgrading may wish to use it. A good indicator or the accuracy of a surveyis the closure error on loops, and this should be quoted when possible.Peter ThompsonCanadian map symbols continued next page
27..• D. 0. ȯGravelFEATURENOTESSandCan be mixedClay or silt20 Dome with heightSlope (down in splayeddirection)Can be shown with slope(in degrees) if measured.~ Domepit with height40 and depthAir currentScallop or currentmarkingdirectionHeight above datumDepth below datum~ote on map if cave breathesor if air current directionchanges seasonally.In a dry passage inferredfrom scallop morphology.Position of survey stationshould be shownPassage heightMaximum heightGuanoStalagmitesStalactitesColumnsSoda strawsRimstone(gours)Active i.e. ~ater-filledgours should show crosshatching.Flowstone on wallsand floor
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ASSCCIATION FOR MEXICAN CAVE STUDIE
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3So the large-entranced sotano whic
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5MINA OTATES, T&~.: DSC. 25, 1974,
Page 9: MERIDA, YUC.: OCT. 1974, David McKe
Page 13 and 14: AMCSMEMBERSHIP ACTIVITIES LETTEREdi
Page 15 and 16: 3Michael Schulte has been working o
Page 17 and 18: 5To the right of the partition in t
Page 19 and 20: 7Diamond Cave RevisitedAndy Grubbs,
Page 21 and 22: 9CHE~-VEN-SIL-MUTSYSTEM\+--1000 ft.
Page 23 and 24: Cave Map Symbols11On the following
Page 25 and 26: 13I NATIONAL SPELEOLOGICAL ISOCIETY
Page 27 and 28: ASSOCIATION FOR MEXIC&~ CAVE STUDIE
Page 29 and 30: 17Discussion of Map Symbolsby Bill
Page 31: 19in a 90 meter pit could collect d
Page 35 and 36: AMCSACTIVITIES LETTEREdited by Bill
Page 37 and 38: 3After leaving Valladolid we went t
Page 39 and 40: CASI UlL 5By Bill Stone as told to
Page 41 and 42: June 97Dear AMCSRE:Diamond CaveAfte
Page 43 and 44: Anyways we speleo-boppedEstrella an
Page 45 and 46: The adrenelin still pumping through
Page 47 and 48: 13Sotano Hondo de Pina1itoBy Steven
Page 49 and 50: CAVE MAP SYMBOLS(continued)15The AM
Page 51 and 52: mechanical shading -- the dots, con
Page 53 and 54: morphogenetic feature involving gra
Page 55 and 56: height variation, say. across the w
Page 57 and 58: 23that list to include a broader se
Page 59: 25be represented by rigidly p,eomet
Page 63: ASSOCIATION FOR MEXICAN CAVEUAP Snm
Page 67 and 68: AlfCSACTIVITIES LETTEREdited by Bil
Page 69 and 70: 35. I personally had the following
Page 71 and 72: volunteered to rescue the bag. They
Page 73 and 74: one large black hole near the top o
Page 75 and 76: The next day we left camp at dawn a
Page 77 and 78: 11First Exploration of NogalThursda
Page 79 and 80: '"entire passage has·solutional ro
Page 81 and 82: 13Date: January, 1975Destination: A
Page 83 and 84: 15Trip Report, Christmas-New Years
Page 85 and 86: THEOTATES MINE AREA17SIERRA DE EL A
Page 87: large storms, this arroyo sends flo
Page 90 and 91: 20but the handholds are unstable re
Page 92 and 93: 22Diamante received its name from t
Page 94: jer_I') CIRCLE ROOW•LA CUEVA DE J
Page 97 and 98: elev 1310mmeters 0Hoya de las Conch
Page 100 and 101: AMCS ACTIVITIES LETTEREdited by Bil
Page 102 and 103: 3View across the botto~ of Hoya de
Page 104: dubbed "The 170" quickly led to ano
Page 107 and 108: Roy dropped 3 pits an'i :l cave nea
Page 109 and 110: which would have been hazardous hol
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\I0YA DE LA LUZProfile B-B'Located
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12hotic DiseasesThe August 1976 iss
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14San Juan Area Nov 1976"eo?le: Tr~
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16Caving in Puebla, Vera Cruz, and
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RETURN TO HUAUTLA~Jith t~e 1976-77
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20SCHOOL BUS SCOOPSZOaUITLAN AREA~)
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enU~«
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2April 1, 1977, marks the 10th anni
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TRIP REPORTSDestination: Cueva del
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5uestination: Sierra las Alazanas a
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The Fissure t..as located by T.P.
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11The next morning Francisco "Kissi
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12could scamper up a wed~ed log and
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14This idea was thwarted given an u
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16NEW YEAR'S DAY IN SAN AGUSTINan t
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1'1later Jim and I began the long c
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20Our group of six intended on rapp
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22here and poked around for leads.
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24and myself about trash and abando
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line didn't cross; nylon against ny
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...'"1IIc.21II .._1II~(,),-• c..'
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30Medical Report On The April 1977
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'32One caver alInost lost her voice
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34considered normal. The diabetic d
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36Jim Smit~ Has followinp, Blake Ha
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3~the spot would make a smaU slip.
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AMCSACTIVITIeSNewsLe TTe Rno. 7
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'International NewsTHE SIERRA DE GU
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International Newsin the entrance a
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The Ten Deepest Caves in Mexicoby B
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to a drop. t returned and dropped a
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to the entrance. From San Andres we
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stove in a semi-catatonic state. He
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above the roaring cascades. At time
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With two leads 'beckoning we began
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Chaining a passage in Cueva de Infi
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the cave. We pulled our rope down b
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increased the cave's depth to -197
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series of parallel ascending (+30 0
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La Sistema Purificacidn: a theory a
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Between the Cold and the" GlorybyTe
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Back tothe Bird PitsbyBill StoneSum
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'Getting Down in Peiiaby Bill Stone
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CUEVADELAPENAPROFI LEmetersoRanc ho
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