As a couple have commented - those are cows down in the valley, though buffalo would have roamed in the area. There's a great (and brutal) section about hunting in a nearby valley in John Williams' novel "Butcher's Crossing."
Kraker - terribly sorry for the problem with your card. Perhaps my fixer failed for part of the batch? Anyone else have a similar phenomenon? The extras I have did not show any sign of such problems.
After posting yesterday, I put my words into actions, but refixing and rewashing didn't change things, so I don't think it's failed fixer. Maybe it's just "something" that was transferred during contact with other pieces of mail, I don't know. Anyway, doesn't matter, it's still a great shot.
-- A sinister little midget with a bucket and a mop / Where the blood goes down the drain --