Norman Muller writes:
I am attaching a scan of a photo I took of that split-wedged boulder on you took me to many years ago. It looks as though there is a quartz piece wedged in the crack, and perhaps some quartz pieces lying on top. Is this what you remember?
PWAX: I do not remember quartz in that split. I was struck by the quartz outcrop there at Madison Springs, as well as by the number of large propper boulders.