Just wondered. It wasn't so much trying to figure the grades as finding one with a sign. Usually, this means very steep or normal steep + long. I think the least steep sign I've ever seen was 6%. There's a Ranger Hill out west, but I don't recall if it even merits a sign. There's Cherry Pie Hill, I think they call it, out by Mineral Wells, but I haven't been over it to see if it was signed.
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"be careful this rando stuff is addictive and dan's the 'pusher'."