Ha! Now I clearly see the Buffalo, too! What an interesting article! Rock varnish. I've seen it often but assumed it was something leaching down from above.
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Ha! Now I clearly see the Buffalo, too! What an interesting article! Rock varnish. I've seen it often but assumed it was something leaching down from above.
Almost looks like a second buff behind the first! :-)
I had to go back and look again, but I think you are right!