If I were in your situation I'd take the civil path. First leave a note on the stand and also talk to whoever you believe may have put up the stand. Even if they did it knowing it wasn't their land make yourself be understanding, this hot spot is only 60 yards from the property line, if bowhunting the area and a hit deer would cross the fence you're going to have to get permission to persue your animal. By taking the stand, destroying the stand, or begin a prick, good luck getting permission granted to you in the future.