A List of Lantern Slides offered on loan. By R.M. (Pongo) Wallis. The following is […]
Notes on Cave Surveying By S.J. (Alfie) Collins. Cave surveying is not difficult. Almost any caver, […]
Caving in Ireland July 1954. By R.M. (Pongo) Wallis My summer holiday this year has been […]
Further Exploration of the Magpie Mine, Derbyshire. By R.M. Wallis. In September 1950 I had occasion […]