The Trust is a wholly volunteer organisation. The Centre, publications, library, educational events and research would not have happened without a huge amount of volunteer support. For some activities we managed to get help from outside specialists and organisations and some of that has been paid for by external grants.

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Other volunteering has been organisational. Administration has been voluntary, as has the production of publications, the organisation of lecture programmes and external presentations. Guiding visitors around the Centre is by volunteers as is the routine maintenance of buildings, the caves and quarry facilities 

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The pictures here show a few of the activities undertaken by volunteers and external helpers or organisations. Under the present constitution (adoped in 2022) individuals and organisations that support the Trust are being invited to be Friends - see