OUCC Proceedings 5 (1970)

• "Proceeding Forward"
• Letter from Canada
• The Discovery of Pigshit Pot
• The Geology of Castro Urdiales
• OUCC Expedition to Spain 1968
• OUCC Expedition to Spain 1969
  • The Expedition
  • Caves Explored
  • La Boriza
  • Pozo de Fresno
  • Cueva del Bolugo
  • Other Caves in the Arroyo Bolugas System
  • Caves in other areas
• The Devils Breakfast
• Caving Crossword

.. and also for supplying pictures from 1967.