 This highlighted that the mine is; within the World Heritage Site of the City of Bath; adjacent to the Cotswold Area of Outstanding Natural Beauty (AONB), within a conservation area, containing a number of Listed buildings; a Site of Special Scientific Interest; a candidate Special Area of Conservation; of international importance for Greater and Lesser Horseshoe bats; and of international geological importance partly due to the work of William Smith.During the access and emergency works Oxford Archaeology produced large scale plans of visible areas and substantial photography was carried out as the modern roadways allowed access.There were also trials of video photography and laser scanning, so that a substantial record was produced of some 20% of the known workings.