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BLEAK HALL
&
OLD WELLS ROAD
- - -
THRUPE LANE SWALLET

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RELATIONSHIP TO THE EXISTING CAVE

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(Based on the survey in MENDIP UNDERGROUND)

The dig passages are lo-lighted in black. The present dig is a re-investigation of the prospects in the Bleak Hall area. More detail below.

THE BLEAK HALL DIG

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(Based on Andy Legg's 1996 survey)

NOTES: The dig along Plaster Passage into the Railway Series was started in 1974 and work has continued intermittently ever since. The present digging session was started in the winter of 2003. The new passage in the Bleak Hall area is sketched in as a dotted guesstimate.

THE OLD WELLS ROAD DIG

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(Based on Andy Legg's 1996 survey)

The dig at the end of the Old Wells Road is the preferred alternative site in wet weather, when the Bleak Hall dig floods.




Gonzo's sketch of 22 Dec 2004 breakthrough

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Gonzo's sketch survey of GWR/Bone Aven rifts
22-Feb-2006

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(Ignore the date that Gonzo put on the survey, he's just a year behind the rest of us)

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Revised:   23-Jun-2007