Oxford University Cave Club

Cave Research Group publication 14

1961 Oxford University Expedition to Northern Spain

1961 Expedition Report (CRG 14) Figures

1961 Expedition Report (CRG 14)

Other Expedition reports

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Plate 6:

John Wilcock performing pH measurement of water samples with the B.D.H. Lovibond Nessleriser (1/125 sec, f16).

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