Looking for info on these finds

[Smallgrains]

Here are some finds that my dad has made through the years on our farmland. Actually the flint point he found while belly crawling to a slough to jump shoot ducks.
He found the hammer/maul in the 1970s when he broke up a quarter of prairie.
Any info on the age range and use of both items would be much appreciated. We have an idea what they were for, obviously, but I figured I would ask the experts on here. Thanks.

 

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[old digger]

Those are really Nice! The points look like the ''HellGap'' variety, but I am not that good at typing certain points. That first one sure has a nice ''rootbeer'' color of that Knife River Flint.

 

[Up-North]

More pics of the point would help..
With that blunted tip.. Alberta is a possibility..
Very nice!

 

[newnan man]

Very nice.