Possible Indian Artifacts, Identification Needed

[zachman1750]

Hello everyone!

I work for a landscaping company and I occasionally help out on the owners farm as well. While looking through the farm fields and natural creek nearby, I found a few interesting stones that I believe may be Indian artifacts of some sort. I was hoping I could get some help identifying them. I would like to know, if possible, if they are actually Indian artifacts and also what they may be! The last pictures of the small half circle item I don't think is an Indian artifact but I'm not sure what it is either, I believe it's made out of metal but I'm not 100% sure. The link below is to the album of photos I've uploaded. Thanks in advance to everyone, I look forward to your responses!

Artifacts Slideshow by Zachman1750 | Photobucket

 

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[The Grim Reaper]

Zachman. the first round piece is a Concretion and a naturally formed rock. The other pieces look to be a few pieces of Flint and they may be Scrapers, but it's hard to tell from just your pictures.

 

[quito]

I'd say you likely have a couple utilized flakes, scrapers.