Very interesting. I have wanted to search for arrowheads, but really don't have much of an idea of where to begin. I found one once. I too hunt a place that has a pronounced mound on a tall timber ridge above the river. The mound is round, maybe 10x10 and is probably 2-2.5 feet taller than the ground around it. I have often sat in my stand on that timber ridge and wondered by chance if it could be an indian burial mound. My stand is maybe 30 yards from it. Its a pretty scenic setting and would make sense I guess from that standpoint. But it could and is most likely just an old brush pile or something from years ago. I'm certainly not going to go digging in it to find out.