Mendip underground : a caver's guide /
Gray, Alan(Caver),editor of compilation.
Taviner, Rob,editor of compilation.
Witcombe, Richard,editor of compilation.
Irwin, David,1935-
Originally published as: Mendip underground / D.J. Irwin & A.J. Knibbs. 1977.
Previous edition published as: Mendip underground / D.J. Irwin & A.R. Jarratt. 1999.
Includes bibliographical references and index.
Caves
Caving