Geology of the Bridford and Dunsford district (Devon), 1:10000 sheet SX88NW and part of SX78NE : [part of] 1:50000 sheets 325 (Exeter) and 339 (Newton Abbot): British Geological Survey, Onshore Geology Series, Technical Report WA/92/51 / C.M.BartonBooks/Monographs