Magma
It is like finding a leak in your roof. I remember once up at the cabin, noticing that my waders were full of water and pointing this out to my wife.
"You're supposed to hang the waders upside down. Keeps dead mice from falling in there."
Well, I thought, if any mice fell in these waders and weren't dead, they'd drown for sure. Anyway, I traced the leak to a part of the ceiling in the closet. Eventually I was able to find the place in the attic where the water was probably going down into the closet, but by this time the torrential rain storms that had preceded the discovery of Lake…