[Therion] Cave Surveying and Therion Training Weekend in Mendip, UK at end of March

I'm running a cave surveying and drawing up training course in Mendip (Somerset, UK) on the weekend of 28-29th March. Covering DistoX and Therion. Reply to me if interested. Limited to 12 places, first come first served. (£10 deposit to book a place. £20 total per person to cover travel and caving hut expenses of trainers). Footleg