footleg
New member
As I make progress with the West Kingsdale master survey project, I am finding that some previously marked survey stations at key junctions have gone AWOL. These were marked with yellow plastic tags, which could be removed later, but which are possibly too obvious to cavers and appear to have been removed while they are still needed. So I am wondering what method to use to permanently mark stations so they can be referred to in the notes and located my future surveyors in years to come. I've heard that drilling small holes discreetly at key locations is one possibility. I am wondering what people think is acceptable for marking the cave so that the marks are not lost in time without unduly defacing the cave?