Still time to get your lecture in for this year's Hidden Earth!  Use the link below and log in TODAY to be included - and remember, your entry to HE for the day of your lecture is FREE!

https://docs.google.com/forms/d/1iTPISyA1SVZjxzT_ssHQ5D9LGSJhMELjcj6HqQxjUQM/viewform?c=0&w=1

Happy caving!
Paula

and if you want to mouth-mail that link to someone, say "hidden-earth.org.uk/forms/lectures"