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I have found them all ways, stumbling on them, glassing them up and also finding from the rig. You would b surprised on how many i have found just looking on the side of a road while i am on my way up to a spot.Usually if u find em with your binos u can spot more than 1 and get em all at one time unstead of seein one and bustin over to it take your time and glass everything
I find a lot of them when I am glassing hill sides. But dont get discouraged when you think you have spotted one and hike acrossed a big valley only to find that it was a stick that looked like an antler .