IDENTIFICATION-cannon ball?

[tomtector]

My son found this while snorkeling the Wisconsin shore of Lake Michigan.
I suspect it to be a cannon ball of some sort but cannot positively Identity it because of its small(er) size.
Any help would be greatly appreciated!

 

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[ticndig]

post in the what is it forum for better coverage. this forum is for tech support.

 

[tomtector]

post in the what is it forum for better coverage. this forum is for tech support.

Ok, thanks

 

[vpnavy]

My son found this while snorkeling the Wisconsin shore of Lake Michigan.
I suspect it to be a cannon ball...

I moved ya from HELP! over to WHAT IS IT? for more exposure.

NOTE: Forum HELP! contains guides tutorials on how to use the new TreasureNet.com software.

 

[vpnavy]

...I suspect it to be a cannon ball...

Take a look at: CannonBallGuy .. Can you tell me anything about this? (Sep 30, 2012)