Good way to train your eyes to look for the "needles in a haystack". If you want to know more about the artifact you found, consider posting on this sub-forum North American Indian Artifacts. An alternative would be to send the pictures to a natural history museum in Georgia or even a archeologist department at a university. I'd also include some pictures of the flakes.
If you really want to have some fun, make yourself a screen box & sift a few shovel-fulls of dirt through it to see what might be just below the surface.
This may sound strange, considering I'm an "aspiring archeologist" but... I don't really like to dig. It's exhausting. All the pieces that I've found, have come from the surface. I will admit I've considered a screen box a few times when I've run up on a muddy rockbed with a limited amount of time available to search. It'd be nice to scrape up a couple scoops of rocks and be on my way.