Bill, I am so impressed, I love the Arch very much, but would be hard put to find a favorite.
You have been very busy. I will have bad dreams about you holding that drill with your feet.
PLEASE be careful that it doesn't slip. By now you, no doubt, have it down pat.
Thanks for sharing. Does the salt water on the shore make them less likely to last???
Some alien species might really puzzle about the kind of people who build these cairns.