Cave Diving Group

Category: 
Caving Journals
Comments: 

Sump Indices



  • Somerset 1964; 1977;1986,2008
  • South Wales (M. Davies) (1966)
  • Wales (1986) (2006)
  • Derbyshire 1968;1974; 1980;1987
  • Northern Sump Index 1981
  • Norway (1979)

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