I've not been on this site for quite awhile because I've not had time to do much hunting. The pictures represent my only complete points this past year (actually, the large point was broken and I glued it).
I've really missed being out there so I hope to get back on track soon.
nice finds.
imo, that's a hammer stone, the indents give your thumb and finger purchase, used mainly for cracking bones to extract the marrow.
good stuff.
Thanks Gold Maven! You could be right about the stone but they are pretty common around here. They're called Chunkey Stones and were used in a game where they would roll the disk and shoot arrows to the area they thought it would stop. Closest arrow wins. Here's a pretty good article: