2001-08-15 19:29:27 +01:00
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<title>1626:50</title>
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2004-04-21 10:35:34 +01:00
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2001-08-15 19:29:27 +01:00
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<center><table border=0 width=100%>
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<tr><th align=left><font size=+2>50</font></th>
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<th align=center lang="de"><font size=+2>Ahnenschacht</font></th>
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<th align=right><font size=+2>3/S/T</font></th></tr>
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</table></center>
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<p><b>Altitude</b>: 1890m<br>
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<span lang="de">Frigoschacht</span> 1875m (enters at -130m at
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<span lang="de">Sinterterrasse)</span><br>
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<b>Location</b>: NW of <span lang="de">Wehrkogel</span> on the
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<span lang="de">Schönberg.</span> Marked and named on OAV map sheet
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15/1.
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<h3>Entrance series</h3>
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<p>The entrance is in a small shakehole situated on the ridge separating
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<span lang="de">Feuertal</span> and <span lang="de">Hintergras.</span> The
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cave starts with four pitches (p14, p11, p5 and p11) which drop onto a slope
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formed of big boulders (rope desirable). After this, another series of small
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pitches (p9, p7, p6, p4, p10, p18, p11) from which is reached the
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<span lang="de">Sinterterrasse</span> at -141m.
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<p>From this point, one has left the zone of small pitches and started a
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series of pitches which in reality are part of a single shaft down to -400m.
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<p>Indeed, if you had an unfortunate accident on the
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<span lang="de">Sinterterrasse,</span> you would fall all the way to -400m.
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These pitches are usually wet, especially after rain... Here is the list of
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pitches: p25, <span lang="de">Schuppenstufe</span> 30, p10,
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<span lang="de">Sicherungsstufe</span> 32,
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<span lang="de">Schachtgabel</span> 48, a 10m ramp, <span lang="de">Josef
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Schacht</span> 100m. On the <span lang="de">Josef Schacht,</span> a pendulum
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6m from the top enables one to reach the entry to the Horizontal network.
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Descending the <span lang="de">Josef Schacht</span> a little further, after a
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6.5m and a 10m pitch, access can be gained to a wide canyon, active in the
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bottom, and which ends in a fissure. This canyon is fossil in the upper level
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and certainly presents possibilities for continuation.
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<h3>Lateral development from <span lang="de">Josef Schacht</span></h3>
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<p>After one has crossed the "doorway" and a short squeeze, one
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enters the network proper. At this point is a passage covered in rather
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special formations. The first junction gives access to a network ...
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[unfortunately there are lines missing in my photocopy of
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<span lang="fr">Spéalp</span> 1]
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<h3>The Vegetable Garden</h3>
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<p>This fossil system, which has not been fully travelled through, contains
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numerous possibilities. It is reached by three principal access routes: the
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pitch already mentioned; a descending fissure a little before the Belgica;
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and a sloping passage with formations in the Mammoth pitch chamber. The
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system is composed of a big chamber with numerous passages and junctions; it
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is very poorly known and no doubt houses many surprises. Continuing along
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the passage, one passes a step of 4m to find a junction, to the left at
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which lies the bivouac.
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<h3>Belgica system</h3>
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<p>Directly after the bivouac, there is a 10m pitch, and at the bottom, a new
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junction: downhill the Belgica passage, of fairly small dimensions, which
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leads, after traversing past three holes, to a descent of an 8m and a 17m
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pitch and to the squeezes passed by our French colleagues.
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<p>Uphill, discovered by D.Motte and PIE, in the course of the expedition in
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1974, is the <span lang="fr">Galerie de Francs Comtois.</span> This is a
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large ascending fossil passage interspersed with traverses, dips and pitches.
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It reascends to -90m. At -150m, a 20m pitch reaches the <span
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lang="fr">Résomega.</span>
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<p>A little before the 20m pitch, a short descending canyon passage avoids
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the 20m pitch and the series of squeezes following it. The <span
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lang="fr">Résomega</span> is an alternately ascending and descending
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passage, very chaotic, interspersed with several junctions and pitches which
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leads to the <span lang="fr">Balcon du Visionnaire,</span> offering several
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possibilities. A 60m pitch gives onto another 60m pitch which is undescended.
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There is another big pitch in excess of 100m and an unfinished ascending
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passage. A little before, a 10m pitch allows one to reach a passage
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interspersed with 3 junctions and 7 exits ! This shows the level of
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complexity which we ran into.
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<p>It was also at the <span lang="fr">Balcon du Visionnaire</span> that an
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accident occurred in 1975, which terminated exploration in that year.
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<p>Back in the Horizontal network, and after passing a little bouldery climb
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an inlet is encountered, named The Bath. The passage continues a little
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longer, to end in a pitch. [ exploration incomplete ]
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<p>The following junction has been named Mammoth Junction because the
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passage to the right leads onto the pitch of the same name. It is necessary
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to exercise great care and attention not to slip hereabouts, because a fall
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would drop you into same.
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<p>The Mammoth Pitch, Para-pitch and probably the Negus pitch, form part of
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the same system (see survey) which is composed of a 146m pitch, a 10m
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pitch and a narrow canyon interspersed with several cascades leading finally
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to a 35m pitch giving onto the sump at -612m. The Para-pitch, p106, is
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followed by pitches of 5, 10 and 50m and drops via the latter into the
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Mammoth Canyon.
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<p>The Negus pitch, which is undescended, should also drop into the same
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canyon. Several other small pitches and active streamways should also rejoin
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this system.
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<p>The depth of 612m should be treated cautiously because the method of
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survey used (based on the height of a man) is fairly imprecise. The bottom
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could be anywhere between -580m and -630m. The shortage of time prevented us
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from redoing our survey. [The depth quoted in <span lang="fr">Atlas des
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Grandes Gouffres</span> is -607m, which is shown as the bottom of this
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system. However, a Belgian survey shows the Yodl system (which is supposed to
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end at -607m) to be somewhere else entirely, so it is rather unclear which
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survey is wrong.]
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<p>Turning left, the Zipfer passage is followed for 150m before reaching an
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important junction: to the left Chimneys passage, to the right Draughting
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passage.
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<h3>Chimneys Passage</h3>
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<p>This is very large with a constant slope, interrupted in the middle by a
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squeeze and a couple of drops. The <span lang="de">Schnaps</span> pitch (40m
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with an unexplored, narrow canyon) is avoided by traversing to reach a 25m
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pitch in which you must pendulum 5m from the bottom in order to reach a
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chamber in which is met a small stream. Climbing up a little opposite, a
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short upper passage rejoins the stream by a 20m pitch. In the chamber, the
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descent of a 10m pitch allows the stream to be followed to a squeeze beyond
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which one can hear the grumble of a large river ? A place to go back to.
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<h3>Draughting passage</h3>
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<p>This is fossil, and tight in places, and allows exploration of a very
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complex network which intersects itself in various places and which could
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hold very great surprises, since its exploration has only been sketchily
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outlined. The exit from this passage is in an area of boulders where two
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possibilities exist:
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<p><b>To the left</b>: a tight passage has been forced on a slope to
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<span lang="de">Kitschacht</span> (Tackle Bag Shaft) a magnificent 50m drop,
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very wide and completely free hanging. At its base, several possibilities. A
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tight active canyon which can be bypassed by a fossil passage, broken by an
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earthy drop of 3m to a huge 15m pitch leading to a sump at -360m.
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<p>A drop of a few metres gives access to a huge fossil passage (10
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× 5m). The floor of this is cut by a deep canyon which has not
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been explored. After a hundred metres or so the passage ends at a vast wet
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pitch. Climbing over a big boulder on the right gives access to another pitch
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upwards.
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<p>Just after the base of <span lang="de">Kitschacht,</span> a passage of 80m
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makes a connection with the system of the
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<span lang="fr">Décollement</span> pitch at the bottom of the 40m
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shaft. A canyon leaving the junction passage can be followed for more than
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300m, and exits, in several places, into the side of the big fossil passage,
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just before the pitch upwards.
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<p><b>To the right</b>: The <span lang="fr">Décollement</span> pitch,
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with, at its base, a sloping chamber full of boulders. To the left a very
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deep ascending canyon is unexplored. In the bottom is the
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<span lang="fr">Méandre Emeri,</span> so called because the formations
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are orientated in the direction of progress and of the draught. This rejoins
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a wide pitch with an inlet. After this 15m pitch is a short canyon and a damp
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40m pitch. At the bottom, a huge descending passage suddenly turns almost
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vertical. This is the Toboggan, needing 20m of rope (a very spectacular
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passage). At this level one again cuts a new streamway. The passage
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continues, then contracts, and chokes at -385m.
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<h3>Extensions to the Belgica system (various Belgians, June/July 1977)</h3>
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<p><b>After the Bivouac</b>: a 10m pitch, then turn left into a small
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passage, ignore three pitches to the side, then descend pitches of 8 and 13m
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to arrive at some easy squeezes on the left. After this, a climb of 5m and a
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42m pitch. Stops in a sand blockage at -410m.
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<p>Over the 13m pitch a small passage goes to several climbs in a fossil
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series. There is a 25m pitch and two 10m pitches ending in several very
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tight chimneys.
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<h3>Yodl system (explored GSAB, August 1977)</h3>
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<p>From the entrance, after 70m down <span lang="de">Josef schacht,</span>
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climb down 7m over a large block and descend about 12m in the bottom of a
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meander. Progress is then in the meander, with a short climb in a fault on
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the left and a 120m pitch, in sections of 22m and 100m. Beyond is a tight
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canyon with a 20m pitch to a sump at -607m (the last part of the 100m pitch
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is wet).
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<p><span lang="fr">Atlas des Grands Gouffres du Monde</span> 1979 says that
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the original -395m route goes on to c-470m (unsurveyed) and there are also
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routes ending at -385m and -386m.
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<b>Exploration</b>: Discovered by Upper Austrians in 1856.<br>
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The point -320m was reached by them in 1958.<br>
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In 1967 and 1968 the <a href="../../others/bec/index.htm">Bristol Exploration
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Club</a> reached -395m, the Horizontal network, with a length of 1 km, was
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discovered.<br>
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In 1972, 73, 74 and 75, the GSAB <span lang="fr">"Les Gours"</span> explored
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and discovered over 5km of passage and about 1500m of pitches. This got them
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to -612m. We note also the participation, in 1974, of three clubs from
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Eastern France: <span lang="fr">S.C.Vesoul, G.S.Clerval &
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S.S.Daules.</span> In 1975 CARSS joined a mini-expedition in July and
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likewise, CASEO in August.<br>
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A GSAB expedition in August 1977 connected a new entrance
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<span lang="de">(Frigoschacht)</span> at -130m, surveyed the Vegetable Garden
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and explored the new areas Yodl and KGB.
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<p><b>References :</b>
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<dl>
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<dt>78.2012<dd><cite>(GSAB) <span lang="fr">Spéalp</span>
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1 (June 1977) pp 33-49</cite>, <b>Totes Gebirge :
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<span lang="fr">Description des principaux gouffres de la
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zone ouest du massif</span></b>,
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<span lang="fr">Jean Claude Hans & Etienne Degrave</span><br>
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<a href="../../others/gsab/en/782012.htm#117">English Translation</a><br>
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<a href="../../others/gsab/fr/782012.htm#117" lang="fr">En Français</a>
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<dt>79.1855<dd><cite>(GSAB) <span lang="fr">Spéalp</span> 3 (Oct.
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1978) pp 44-45, survey</cite>, <b lang="de">Ahnenschacht 77/78</b>, Jean
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Pierre Braun<br>
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<a href="../../others/gsab/en/791855.htm">English Translation</a><br>
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<a href="../../others/gsab/fr/791855.htm" lang="fr">En Français</a>
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</dl>
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<p>The above description was translated from the references by Andy
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Waddington and Jill Gates.
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<hr>
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<!-- LINKS -->
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2001-08-16 13:43:09 +01:00
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2001-08-15 19:29:27 +01:00
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<a href="../../1626/index.htm#50">Index</a> and overview of 1626.<br>
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2001-08-16 13:43:09 +01:00
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2001-08-15 19:29:27 +01:00
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<a href="../../areas.htm">Overview</a> of area 1623<br>
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2001-08-16 13:43:09 +01:00
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2001-08-15 19:29:27 +01:00
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<a href="../../others/gsab/index.htm">GSAB</a> and associated groups<br>
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2001-08-16 13:43:09 +01:00
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2001-08-15 19:29:27 +01:00
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<a href="../../index.htm">Back to Expedition Intro page</a><br>
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2001-08-16 13:43:09 +01:00
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2001-08-15 19:29:27 +01:00
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