LEADER 00000nam 2200205 a 4500 001 0316063 003 UkHlHU 007 t 008 001106 1 1977 000 eng 020 0905903080 040 UkHlHU 050 4 GV 200.62 I7 100 1 Irwin, David J. 245 10 Mendip underground :|ba caver's guide /|cby D. Irwin & A. Knibbs. 260 Wells :|bMendip Publishing,|c1977. 300 176p. 700 1 Knibbs, Anthony J. 946 6XX absent
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