Cave Registry Data Archive

....keeping data safe

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DYO Chatchment

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Survey data for Dan yr Ogof in Survex format starting from the main backbone by Dave Judson & friends in the 1960s with additional data from Mike McCombe, Stuart France and others from about 1990 onwards. The cave is currently being re-surveyed using DistoX and this will result in a merged dataset for Therion in due course.