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For sale at: http://www.rossoldbooks.co.uk/Book%20Pages2/Geology.html Cheers - Tony Oldham Duncavin 1 Riverside Mews CARDIGAN SA43 1DH United Kingdom http://www.sat.dundee.ac.uk/~arb/speleo/guides.html http://www.showcaves.com http://www.mike.munro.cwc.net/mining/tony_o/tonyo_hp.htm http://www.showcaves.com/foreign/Big/F003-003.jpg