My initial thought was that this "plugging" was due to go ahead (with the associated loss of habitat and ventilation to a big section of the county adit which has poor ventilation anyway) but this overlay clearly shows the position of the open shaft and the venting footway being in a suitable place for bat castle treatment.
This photograph is by stuey and was uploaded May 16th 2011. © stuey please do not copy or distribute without prior express permission.
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