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to Matienzo Caves
A completely revised survey for Cueva Vallina is now available. It is based on a centre line that takes into account the latest ECT Vallina Project and Matienzo Caves Project data. An attempt has been made to smooth out the differences between the modern surveys and those readings taken more than 30 years ago. As usual, it is a work-in-progress: please point out errors and omissions! http://matienzocaves.org.uk/surveys/0733-2023e-07.pdf