I'll sure in the world back up the character reference on Bigfoot, his word is golden as is his handshake, just like Danny's and Lee's!

Some of the shaping in many arrowheads is due to the guy making the piece, the quality and size of the raw material, and how much time the maker had to put into the piece. He or she strikes a piece off a core and inevitably one side is flatter than the other, one person takes great care to flake it symmetrical, and the next person doesn't bother.
I asked dr adavasio about the similarity in points, my thinking was people or groups of people were mass producing points. Like a village blacksmith did all the village blacksmith work. He said it was a style effect, were multiple groups copied each other's style of point. He is a hundred times smarter than me, but I still think my idea holds water. If you ever tried knapping, it ain't easy or replicable.

I looked in the book a paleontology fella recommended to me a few years ago. I couldn't find that point style in the MO region, but that don't surprise me. I had found a bunch of points and other artifacts in wash out. This is how I came to find the paleontologist, I was looking for answers to what I had. I found tools from about a 2000 year span and many from other regions. He said it must have been a well used camp to have that many different tools. Some of the points had came from FL and some from the north (cant remember were he said). FL stuck with me as I couldn't believe that long ago someone would have carried a dang rock that far. The tools and thinking about the trade and travel that must have went on sure is intriguing. Nice find.

The natives travled alot more than we thimk .Ive found several pieces of obsidian around here .that had to come from along way .Im fairly certain this flint was sourced right over the bank from where it was found there is an outcropping of flint nodules inthe creek bank .there is alot of flint there that will turn red with fire

Meadowcroft dig here had flint from two or three states at the earliest levels, in the ten thousand years ago range. Seems that there was enough population at that time to not only find flint sources hundreds of miles away, but to also trade, exchange, and carry the same flint over hundreds of miles. I believe there were much larger populations of peoples here over probably longer periods of time than we would think. Finding some flint outcroppings, in a vast wilderness, would be like hitting the Powerball. Those people were either very lucky, or there was a lot more of them than we think.

I think the reason that old points are made out of better Flint than newer points is is the good Flint was laying on top of the ground when the natives first came here and what was easy to find was used up leaving the Lesser quality Flint that was easier to find for the later inhabitants I know what Kenny went through to find enough Superior Flint it took him more than 10 years to or more to amass 3 50 gallon barrels of bifaces that he intended to use into his retirement with the ability to drive hundreds of miles and a communication Network that allowed him to talk to somebody that was hundreds of miles away that could tell him where deposits of suitable Flint might be he spent a decade getting ready for his easy chair years and then only to lose the eye-hand coordination to actually napp flint

The good flint around here was imported from Ohio, there are outcrops of flint here and there but not the high quality Ohio types. We went to the flint ridge knap in, at flint ridge ohio a couple times. Quite a bit of raw material for sale there, from all over the country. I got obsidian from Oregon, chert from Kansas or Missouri, real flint from England. Couple five gallon bucket fills anyway.

Looked in my arrowhead book... looks like a Stemmed Bifurcated base. Something like a Cossatot River.

I can see the similarities in my point and these points that you have pictured but I also see some drastic differences in the exaggeration of the base and the work that they went to get the bass perfectly round and the beveling that is present where the body is beveled one way and the base is beveled the other way it doesn't really show up in the pictures that well it looks intentional and not just something that happened when it was reworked