Measuring cave depth
Posted: Jul 19, 2010 8:08 pm
hey guys,
i know this post doesnt really belong on this thread, but i am looking for some help. what is the best way to accurately measure your depth from the cave mouth? thanks in advance of any help you may could give me!
i know this post doesnt really belong on this thread, but i am looking for some help. what is the best way to accurately measure your depth from the cave mouth? thanks in advance of any help you may could give me!