Southern Caver

Citation
Southern Caver

Material Information

Title:
Southern Caver
Series Title:
Southern Caver
Creator:
Gregory Middleton ozspeleo@iinet.net.au ( suggested by )
Southern Caving Society
Publication Date:
Language:
English

Subjects

Subjects / Keywords:
Applied Speleology ( local )
Regional Speleology ( local )
Resource Management ( local )
Genre:
serial ( sobekcm )
Location:
Australia

Notes

General Note:
The Southern Caving Society was formed in April 1965 and in July 1967 commenced publication of "Southern Caver" as its quarterly newsletter. At the time of the 1996 amalgamation of SCS with the Tasmanian Caverneering Club, it was agreed that Southern Tasmanian Caverneers would continue to publish "Southern Caver" in the form of an occasional paper as and when suitable material was available. The publication has in fact appeared approximately annually in recent years and has generally carried reprints of otherwise difficult to obtain reports relating to caves in Tasmania.
Restriction:
Open Access - Permission by Publisher
Original Version:
Vol. 7, no. 1 (1975)
General Note:
See Extended description for more information.

Record Information

Source Institution:
University of South Florida Library
Holding Location:
University of South Florida
Rights Management:
All applicable rights reserved by the source institution and holding location.
Resource Identifier:
K26-03751 ( USFLDC DOI )
k26.3751 ( USFLDC Handle )
21379 ( karstportal - original NodeID )
0157-8464 ( ISSN )

USFLDC Membership

Aggregations:
Added automatically
Karst Information Portal

Postcard Information

Format:
serial

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Full Text
Description
The Southern Caving Society was formed in April 1965 and
in July 1967 commenced publication of "Southern Caver" as its
quarterly newsletter. At the time of the 1996 amalgamation of
SCS with the Tasmanian Caverneering Club, it was agreed that
Southern Tasmanian Caverneers would continue to publish
"Southern Caver" in the form of an occasional paper as and
when suitable material was available. The publication has in
fact appeared approximately annually in recent years and has
generally carried reprints of otherwise difficult to obtain
reports relating to caves in Tasmania.



PAGE 1

PRICE 58 CENTS VOL 7 NO1 /:

PAGE 2

"S OUTHERH CAVER Published Quarterly by the Southern Caving Society. Postzl Address: Y.O. Box 121 Xoonsh, Tas. 7009 8 Club Room 132 Davey Street Hobart. EDITORS: Dzve Elliott Ron Nann XAGAZINE COXMITTEE: Steve Harris, Eke Cole, Kevin Kiernan Gr~eme Rctt COVERS: By courtesy of Graeme VJatt CONTENTS: .................... Outgoing Presidentfs Report ..Page 2 Report ............................... Page 4 Q,unrtermasterrs Report ........................... Page 5 Election of Office Bearers,. .................... .Page 4 Election of Hon. Members.. ...................... .Page 7 A Word From the Incoming President ............... Poge 8 Ccves on the Julius River ...... By S.Hnrris ....... Page 9 Society Criticises S .W. ........ Kanagement Plan. .Page l 1 .... ........... Cave Survey Notes.. .By S .Hcrris., .Prge 12 Book Review.. ................. .By S .Ramis.. .... .?age 1 9 AreE Reports.. ............... ..By S.Harris.. ..... Page 21 Fire in the Eyes.. ............ .By S .Hzrris.. .... .Page 22

PAGE 3

It has beea a ?leasure p~esidin,: over a caving club as a~tive ss the Southern Caving Society was during LW terrr, of office, Apart fror the rzgular caving excursjons, there has been much purpose 2nd drive 3ehind certsin project? rhich cam to completion 6uring the ysnr. IIerberts Pot, the largest cave in the Nole C'reek Syst 3m has been surveyed .an:! clrswn 32. Leigh Gieeson, Graeme Eziley, Lindsay and St ewart Wilson and Steve Street spelnt mayl:,r miserable and cold hours fighting the snow melt mters of 3, iqister fble Creel:. The surveying was completed in Yovember 1974 and the nap iias drawn up in ~Xkcernber. Tiiith 4.4 km= of pam:l,ges, it xnks tllir4 on Au~tralias deepest llst. The oumey willappear irvolume 7 of the --m Souther3 Ckv.v. -. Kevin ifiernan, our most prolifis contribwt or to the Sout hem C.>ver -is to bc: c~ngratul~~ted not only for his ar-ticles, but for the zt-~al field w,rIr anci rerearch they entail, !i f-Y~;hter on the conser7~ation front also, it is only unfortunate th,t the Surden he ~'~oulders in this .-espect is not more equally s llared. The Sosiety was ~~ep~~escnt ed on4wo m jor expeditions during t h6 summer period 1974/75. Kevir? Kiermn was an organiser of the Gordon Ever Expeditioni sn ill Sated' tripi +h.e~speleolo,~icsi .snbL.tiom.of which were frustrated by !ieavr. v, ran3 an2 flools, A dramtic ,.e~ort of this trip appeared in Southern Cctver --v 6 Jo.3. Leigh-Gleeson ;xnd.qyself W joineii a national expefiition to the I~rst areas of Kew Csledonia in the French Pacific, A comprehensive report of this trip will be appearing. ht er. this. year. .high and myg elf also at-t ended 'the 10th d,S.F. Convention at th(3 University of 'beensland in BrisSane. ..~. ...............S Int erclub rdations between C. C. and .S. C. S,. hzve been very amiable with much co-opemti'on; Lauri-c 9ioorly the T. C, C. president last yesr was an excellent bloke with whom $G deal when my matt er came up affecting both clubs. As for the northGrli '~3.~33, thord hm be'ek'rio, con% act. $3 thanks to'a 'c'apable Graeme Watt as'Se.cretary, Ron &nn. our sober t:-easurer and the %embers of the editorial coi:?mittee of Southern Csver : kve LCliott, an, E(e;.in, C%.erw and Xlex Te'rhudd.' 'S3db' Cbckerill an8 ~eTih Gleeson : a,ctad as Police S. & R, liaison officers. . ,.. ....S...... Hembers were not wanting for social activity. !rJednesday night meet ings were oft en 'subceaded by drinkink' and dancin& at' 9PTravs. Occasionally the Tea Tree. Fall resounded to heav,v rock md heaty footed cavers while the aesaions at flexsf s floated on pog rat%er' +h&' mtisic but were none the less en j oy3bl e.

PAGE 4

As -for tjlc co:iiing par I :foulc! recommend the following zctions :(l ) A cohererit arid c?.ir.ect act ion with regard to conservat iox of caves and areas, especially (a) protective status for Ilubls Khan, Mole Creek SJ-<;tern, Bit C-qv these of tantamouxt importance. (b) a cmp,ign to "snm the Gordon" be commenced. (2) So,, 1:ew gear is rieedcd especially ladders, bite a fed are in need of replacement. We have rmterials for 2 X 50s lad6~rs cf thc old cop7er crimped stylc. These sliould bc construcied and thereaft er new ladders should be of resir, bozded rung type. Thought could be given to purchss iry Ponwick laddt:~s. d complete new set of n1~abering gezr is needed. (3) d su3tle but concertec? membershi;, drive should begin. A plaxing $etall to finish on. Our peFm~nent ciubroom at 132 Dz.vey Stxz-;; is always open to cavtrs vlsiting tho state and we were often pleasmtly surprised wher, c;lrrers from the great distances of u.5.~. and I\ToZ0 cslled in on Wednesday night. See you there sometime. Cheers

PAGE 5

Production of the Southern C-.ver w3s the Largest single item of expenditure this ye,v closely followed by rent for the clubroo~s. The Society maraged to show a small surplus this year of $4.65 thrznks to the efforts of members cartmf; hayo Without the $70-00 from this source the funds would be well into the red. There is a possibility of similar work tl~is year and any opportunity should not be overlooked. I recommend that the incoming Treasurer adopt the following new subscription ratss :P.11 Ileinber $12.00 Lssociat e Member $ 5.00 3tudent Eiember $ 6.00 Socid Nernbcr '6 3.00 Junior Associ ~t e $ 1.00 These rates done will not cover estimated expenditure next year and any member ~ho has tangible sug;estions should convey them to the Treasurer. %lance forward Subscript ions Sout harn Caver 4.S.F. kclses Bc?ck Interest 3a.y Carting Bottle Sales 18scellaneous Rent Sout hern Caver Insurmc e r,s,r, PO s t aox Cheque Book Subscriptions ktt ery Cli;rger lQuL pnent Hi sc ellmeous Bdnnce carried f ormrd Societj Funds Credit Bank &lance -..-$22.65 Interest Bearing Deposit 258.00 Cons ervat ion Accouilt 28.95 SOUTHERN CAVER JULY 1973

PAGE 6

'The dociety owns the followin;: major items of equipment :L;a3cx W. IEIL~FFS 11 X 30 foot 4 x 30 foot 1 X 20 foot ---. -. 3 X 5 metre 1 X 10 foot ^ 3 X^ 10 metre 1 x 8 foot 2 x 50 foot lsddcr material ROPZ STmVEY E ~TTIPIiEFT I X 350 foot Kernmantel 2 Suunto Compasnes 2 X 150 foot Kernmantel 1 Suunto Inclinornet er 1 X 360 foot 1 100' Tape 3 X 120 foot 1 ~om~ass/~lino Xolder 4 X 50 foot l x 20 foot 141 3 C ELL!LXE% VS 2 pairs Clog~ers Duplicator Rope >rot ectors Ladder Bags Xumber Punches tiand Drill Helmets The only equipmelit pnrch-tsed this year has been several helmets and two dry cell clp lights. The condition of the majority of the ladders and ropes is quite good however there is some rus 1 showing on several ladders and this will have to be carefully :.latched. 110 proglness wns made with the construction of the two 50 foot ladders in 1374/75 but this will ;-et under way this year. A new jig has to be manufactured Sefore crimping can he commenced. SOUTHERN CATER

PAGE 7

ELECTION OF OFFICE BEAREIE 1975/76 The Society elected the 'following .office bearers to.represent it for the year 1975/76 : Patron &'Jr. R.3. Baker President Ron &m Secretary Graeme Natt Treasurer Michael Cole I. lkgazine Editors Dave Elliott QG Ron Fnn Phgazine Comnitt ee Stephen Harris, Michael Cole, Graeme \bat t Kevin Ki ernan. It was resolved that further appointments would be made at the discretion of the President should they become necessary. Price Increase The price of s'Southern Caverw will increase with this issue (~01.7 fiJo. l) to 50 cents per issue or $2.50 for four issues posted within Australia. SOUTIIERN GAVER JULY 1975

PAGE 8

HONORQRY FQXBFHS ZLGCTZD FOR 197 5/76 FP. Re Mrs. D..i. Frankcornbe, Ma;ydena. Er. R.Lo Graue, Ha~tings Caves. : Inspect or To E. Howard, Tnroona. Sergeant N. Ihzsi e, Hobart Mr. J,P. Howe, Mole Creek, Dr. J.N. Jennings, ~9. Canberra City, A.C.T. Fks Lanbert Nr. G,R. Linger, Caveside. Th-, ROE. Martin, Caveside, ?V. G.J. l'lelville, Mole Creek. Nr. & B'irs. M. Oliver, Chudleigh. Mr, Bchardson, sandford. 1s. T. Richardson, Role Creek. Mr. C.J. Shaw, Pble Creek. PP., 8: Nrs. Roy Skinner, Hobart. Pdr. D. Turner, Rose Bay. Dr. J. lhne, 'Lenah Valley. It was resolved by the Society that all Cave Guides would be accorded the status of Honorary Plembers of the Society. Should there be additions to this list that have escaped our notice, acknowledgement will be mde in a subsequent edition. SOUTHERN CAVER JULY 1975

PAGE 9

A ,DRD FROM THE INCOMING P-wSIDEET This year is the beginning of our second decade as a Society and with determination and combined effort will be as successful as the last. Conservation issues, a feature of recent years, will require careful consideration by the Society to ensure that valuable wilderness areas and caves are protected for future gene. ations. In a submission to the National Parks and dildlife Service, relatifig to the proposed draft plan for the South 'Jest Rational Park the Society has called for the inclusion of Exit Cave within the boundaries. Apart from currently being the longest cave in Austraiia it is unique in southern Tasmania and for this reason alone should be protected. In other areas of the state efforts should be continued to have reserves declared over important caves and areas especially Kubla Khan. I will be investi&zting the possibility of a reserve being declared covering Welcome Stranger at hydena and the fact that this cave lies just outside the boundary of the Mt. Field bTational Park may be of some value. As I ment ioned in my Quartermast er's report for last gear, the condition of several ladders is deteriorating 2nd construction of the two 50 foot ladders will begin this year. Preliminary work is required before actual crimping cm commence, however I hope to have this under way by summer. Search and Rescue techniques will receive attention this year and in this regard I urge all members to keep their gear in first class order and to have adequate lighting available at all times. The Southern Caver has maintained a high standard for many years and the Editors, Dwe Elliott and rqyself, together with the committee plan to mzintain this standard -ad 1request suitable articles from members. Our attention this year should be concentrated in the ~unee/ Florentine and Nole Creek areas. Intensive scrub bashing in the ~unee/~lorentine should produce new caves and there are many areas not bashed or fully explored by the Society. The Mole Creek system at &le Creek has plenty of scope for further exploration an6 a surface survey of the cave entrances has to be completed. I ask a11 members to endeavour to make this year one of the Society 'S best. RON JULY 1975

PAGE 10

The Saturday morning of the long weekend 14-16 June saw three members besides wsclf (Chris Ihrric, Steve Street and Lindsay Vilson) on the long road to m crea in the far northwest of Tasmaiia never before visited by a caving team. Caves south of the Arthur River in an area south-west of me Chisholm (itself a water filled doline) were ori:;inally mentioned to the author by Lloyd Natthews of the Nines Department. As a geologist h% had done some reconnaisance mapping in the area but his memory and location description of the caves was skct chy. Any interest in potential caves of the area languished until 1973/74 when the Forestry Cornmioslon began pushing a road south 'of the Arthur River. The Commission intends to open up for exploitation a vast area of previously trackless PreCambrian dolomite, a rock which is cavernous in other areas of the state including at Y~ntagu and Redpa, about 38 and 32 kms. respectiveiy Xorth west of the area under discussion. A postgraduate geology student, Brendnn Griffin, in 1974 mapped a portion of this country lying generally to the south of Trowutta. In the course of msqing he was told of the &partly subtcrr,mean course of the Julius -3ivcr which flows north into the Arthur. Concurrently the area was being investi-ated by foresters, to one of whom, Phi1 Shepard, we are grateful for assistance and infornation, With map 2nd directions to the area kindly sup;Aied by both Brenhn and 'hi1 we couldn't go wrong. The party set off on Sunday morning to w~de the 2 kilometres or so down the Julius River,' a picturesque .and swiftly flowing watercourse. Rising from the banks on either side were the moss dripping inhabitants of an Stygian wilderness dank and chill it appeared to us on this winter' S Sunciajr oily the tops of the forest trees glowed in a watery sunshine. The water in the river sucked at the ~stiges of warmth in our legs. hrely an hour elapsed since our start when we were confronted with am11 of dolomite which the river had breached leming a 7 metre high arch. Only another 130 metres in daylight and the river sinks at the base of a high vegetation covered cliff. This time the water forces its way through a spur on a course of several hundred metres before resurging in an incised valley carrying a smaller stream. Our party reached the main cave about noon. We spent some time checking out the immediate vicinity of the influx. Lindsay then tackled the main watercourse. He was unfortunately halted a S OUTHERW CAVER

PAGE 11

s-lort distznce into the cxve by asump wuch he wadod into so that he xns chest 3eep in the icy water but there loblced to be no way on, Ik scr,zrnbled to the top of the entrance fissure whch took us onto ths hill 'ashind the iiisur.:,.ence. Another jomt fissure w3s located nearby whlch extended down to the underground stream the noise ~f which easily cwried to us while we decided whether or not to drop lc~dders. One of our number comidered the shaft to be deeper than the lcngth of l~dcler ire hzd on hnd (30 m, ) and another arbued that the bottom of the shaft was not beyond the sump illto which Lindsay waded, Je decided to loc2te the efflux aild try from that end. Following down smaller strezm on the northern side of the spur through beautiful rainforest we shortly came to an impressive efflux. The strezm was wide, deep seemed to carry much sediment IS it flowed frorc! rt wide low entrznce at the base of the steep valley side. Chris stripped. to a woollen singlet and shorts and waded in, Gasping with the coldness of the water he was feeling for footholds in the wall. Then no more footholds. The water was too deep to wade. Chris retreated. Ile reported 110 end in sight 2nd claimed that the cave opened up slightly but zt this time the water w2s the barrier between us and tkis virgin cave. Time was passing wd the threat of early darkness forced our return back over the spur and up the Julius aver, The trip was a far success despite some disappointment in not be;ing able to follow the n~in watercourse from influx to efflux. A follow-up trip is planned for summer whm water levels may be lower and "li-10s'' and wet suits riill be necess7,ry equipment. There are a smctll number of shafts and fissul-es to be explored in the vicinity of the arch, the main cave and elsewhere in the forest (P. Shepard pers, cornm.). d further trip should include someone who knows a little of cave fauna collection ss we noticed that the two small caves near the arch and various clefts and fissures above the main cave contain trogloditic fauna wetas and cave spiders. The area is of great geomorphological interest and scenic and the intentisii of the Forestry Cornrnisslon to create a reserve centred on the Lower Julius River and Lake Chisholm is to be applauded. S OUTKERN C AVER JULY 1975

PAGE 12

SOCIXilP CRITIC IS= S. W. IVLLNAGZX~TT PLAN On FFhy 27th the Minister for National hrks and dildlife (Nr. Batt) officially released the draft mmgement plan for the South !lest National Park. 4spects of the plan were criticised by the Tasmanian Conservation Trust, the Lake Pedder Action Committee, the Blanfordia Alpine Club and the Southern Caving Society. The full text of the Society's press release follows ::jThe inclusion of Precipitous Bluff in the State Governments proposed extent ions to the Sout h-Nest $Tat ional Park was a step in the. right r!irection, but the new SouthiJest plan overall was miserably inadequate, a spokesman for the Southern Caving Society said last night," ,'The Australian Speleological Federation, of which this society is a member, has previously called for government initiatives to protect limest one country in the South-West of %,smania. ;' ;'The .Precipitous Bluff area certainly contaics large and interesting limestone caves, and invertebrate fauna which is found no where else. i7 The Society is disappointed that Australia's longest cave, the 10 mile long &it Cave, is not included in the proposed park extensions. .'It would also be tragic if other areas of 'great speleological -value were ignored simply because they have not been exposed to the publicity which might make them politically worthwhile for the government to be seen to be con~erving.~' "The Society is particularly disappointed that the Lower Gordon River area has riot been included. A dramtic expedition to this area this year found it to be of very great promise indeed. Platerfalls were found issuing out of riverside cliffs, and one large cave entrance found, from which there issued a volume of water dwarfing that of any other Australian cave. "Despite bad weather the area was found to warrant a further natibnal expedition, comprising speleologists from most mainland states. This is being planned for the coming swnmermVt "The Society acknowledges too, that this area is of very great wilderness value, and urges the government to implement the Tasmanian Conservation Trusts proposals for an enlarged SouthWest National ,Park and throw away the present unsatisfactory SouthPJest Plan. '' SOUTHERIT .CAVER (11)

PAGE 13

By Stephen hrris Bone Pit is a dry cne discovered in 1951 and recently surveyed to s depth of 100 m, It 1s a good sporting c,vc consisting of a series of talu; climbs and 3 ladder pitchcs. Xxploration was initially by the T,C,C* but has not been exhaustive zlthough obvious lezds have becn tlirsslied, Thong extension was explored by G. Bailey, one of the swey team; and a srnall ;ipassage"7 (sc-tuslly :L contilnuation of the joint rift) 2bout 6.5 m. above the floor of the flnal pitch (denoted by an asterisk and arrow on the survey) was pursued into a tight constriction by Chris Parris nftcr the 1971 R,S,r, Conference. The cave basically occupies a cleft which is the influence of N.N. V, S,S,X, jointingo The name of. the cave is apt the testimony scatt erod t hrougizout The 1973 A. S. F. list of longest caves shows Sone fit as 29th. Volt era wtzs fii-st explored in 1970, Its principle assailant was Alex Terauds who dubbed the swallet a Lithuanian word for "Goddess of the great erotic vaginax. The cave explored is the dry negotiable passage headin& in the same general direction as a large stream sinking from the dolinc into an unnegotiable entrance, The short passage in Voltera terminates in a boulder choke which has been unsuccessfully pushed down to a constriction. A small stream flows in the d7dryiq part of Voltera but unfortunately the larger volume of water cmnot be tracked. The surveyed length of Voltera is 132.6 m. and the surveyed depth is 28 m. JF.206 is a small swallet, often dry (and strewn with talus blocks, which grades gelitly down to gravel beds and a pool, 24 metres distance from the surface at a depth of 10 m. JY.210, or Sesame is a small cave filled with talus blocks situated in a luge doline. The depth of Sssame is 18.5 metres terminating in a gravel choke. Near this cave is JF.211, or Sesame I1 which is 240 m. deep. Reference Kiernctn, K.>/. Tasmnian Caving Areas : Junee Florentine. Southern Csver 2, Fo.3 Sept. 1970 SOUTKERB CRVER

PAGE 16

c= p+ X~ e y P? I -"P"" 7 p:, *W f < i. X. ks 8" f.,.,~-~

PAGE 17

BOOK 3.,8IZ;iT By Stephen Ihrris CAVES @r Tony !ialtham Ivhcmillan 1974; 240 pages; 236 photographs and 9 diagrams. "I'm only looking thank you" I said to the shop assistant as I embarked on one of my frequent browsing forays, this time in a new bookshop in lkgnet Court. I had not intended buying anything, especially not a book costing $12.95, but its cover hit me in the eye. A phctograph on a black background with the title in bold white letters. It is the number and quality of the photographs which has the immediate impact on skimming through the book and a large proportion are of British Caves although such are not over-represented as could be expected. Examples of points made in the text are fairly heavily British, but this does nothing to detract its value to us. There are nine chapters under the following headings : (1 ) The dorld of Caves; (2) The rdorld of Karst; (3) Cave Ecploration; (4) The Use of Caves; (5) Formation of Caves; (6) Decorated Caves and Cave Deposits; (7) Life in Caves; (8) Fkn in Caves; (9) Caves of the World. The text is lucid and straightforward making it an ideal general introduction to cave literature or an appreciation of caves. Some chapters are better than others. I thought the photographs in chapter six could have been much better. The most appealing chapters are those on Cave Exploration and The Vorld of Karst probably reflecting the personal interest and experiences of the author as an explorer and a geologist. The author has a conversational style of writing wnichshines through in these specific chapters as he relates experiences common to his own. It is petty to point out spelling mistakes but the book does have three or four, e.g. on p. 27 i'abounded7' rather than "abandonedi3 disappointing to find in a book of this evident quality. Chapter nine of necessity must excluc?c many cave areas of the world sketchy, but considering the amount of information of very recent age about caves in out of the way places could not be all embracing. There are two paragraphs on Australian caves, one paragraph mentioning Jenolan but mainly preoccupied with the Nullabor, while the other paragraph was on Tasmania which is quoted for the benefit of Tasmanian readers : "The island of Tasmania contains Australia's most important caves. The interior of the island is mainly covered by dense rain forest;which makes access and exploration very difficult, but once an entrance is located it commonly leads to a fine cave system. Ecploration is

PAGE 18

still active in Tasmania, and the most spectacular region appears to be around Junee where a large resurgence is fed by a number of sinking streams. One of these goes down the Khazad-dum pothole : an exciting series of stream passages and waterfalls leads to a sump at a depth of just over 1000 feet, unfortunately before meeting the main underground river of the region. Iiowever, elsewhere on the island through trips from sinkhole to resurgence cave are possible; one of the fuest is down the great shafts of I~hi ihrtin via a t en--mile long network of caves to the nassive passages of Exit Cave, which return the caver to daylight 700 feet below the upper entrance? (p0217 'The book is worth the money of similar books and the only one on ny shelf to beat it is hdiant Darkness, but only just. (20) JULY 1 375 Has fav One men Plu gra. by 1 fort i and The for beca

PAGE 19

AREA ZPORTS 3y St ephen Ihrris This summary of trip reports covers the period 6th April to the end of June, 1975. _There was a total of 7 trips, a small number, but useful xork is being zc ieved, and some new people being introduced to the joys of caving. ~lorentine Valley (2 trips) Two and a half hours were spent in Growling Swallet going right' to the sump at the bottom. Only one ladder was used for the negotiation of an awkward 20' drop. X party in this cave only a couple we~ks previously had found water backed up behind the sump right up to this chamber. A small party at the end of June ventured into that perennially .popular cave .Jelcome Strwger to take photographs. Pble Creek (2 trips) One of the trips to this area meant to push forward the frontiers of exploration in Herberts Pot but some bungling occurred' on the part of the lesder whereby the ladders were left in Hobart. A mutinous p~rty slouched off to marvel at the spectacular Alum Cliffs; Georgies and Wet Czves being "donef' the same weekend. On a Sunday in early hy five bods headed for Ible Crec-k with a specific purpose in mind to survey Tobogyan Cave. Hastings (2 trips) The two excursioiis to this area patronised LJolf Role, a favourite cnve with its spectacular entrance doline amidst rainforest. One trip was a familiarization (new word for "tourist tripv) for new members. The second party to the csvc tackled the entrance with S.R.T. par instead of ladders. Flembers on both parties went beyond Lake Pluto while others were content to take photographs and sit on the gravel bssch of Lake Pluto. Julius River (1 trip) Reported elsewhere in this journal is the first ever journey by cavers to this far flung area. Visited to our knowledge, only by foresters in recent ycars, the caves area is situated in very rugged and beautiful rzinforest south of the Arthur Rmps in north-west Tssmnia. The Julius, s substantial river flowing into the Arthur goes underground for part of its course. The team couldn't get right through the cave because of high water. In the same region are sinkholes, ,m arch above SOUTHERN CAVER (21 JULY l975

PAGE 20

the river and two other small tunnel-like caves in a cliff at the side of the river. The rock in the region of the arch is a dense, thinly bedded, highly folded blue.grey dolomite. ?TRZ 13 TB. Em3 Bv Steve Harris. K?.ny cnvers have no doubt turned a light suddenly into the eyes of others on 2 caving trip after having been underground for several hours, been rn0c~ntCPily ra;Cze? by the brilliant orange colosr thp-t lw,inesces in the eyes. This is due to n build up on the retina of the cye of rhodopsin or purple vision. The chemical is very sensitive to light ncd builds up in its absence. On being subjected t o L:. .l?ght beam the rhodopsin breaks ~OVJ~ through a series of chemic-,ls until Vitamin A (as in carrots) is formed. Gzrrots being good for the eyes is not an old wives tale but a myth Lnstlgated by runour from the British Intelligence Office in the Second Workd !5zr to ~llr;.y scepticism in enemy rmks of accur~te bombing runs by the British for the short -time between inventiori of the radar md the subsequent development of It by the Germans. JULY 1 975


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