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Y'all have any idea what this is? I saw 2 along a new trail I was trying out. They're solidly in the ground, went move at all when I kicked it. I searched google everyway I know how and came up with diddly squat. If you can't read it it says "Department of the Interior, Unlawful to disturb, BH 09, N.P.S MACA." I did figure out NPS MACA is National Parks System Mammoth Cave park.
