This weekend I hunted some property that the previous owner told the current owner used to have a "cannon ball factory" in the 1800's. In the illinois river valley, i found that to be a little unlikely, but I gave it a shot! I dug around the old foundations but didnt find any cannon balls...... what I DID find, however, was an abundance of CANNING jar lids! :-D somehow I get the feeling that perhaps the details got a little fuzzy over the years as the details were passed from person to person Cannon ball factory..... canning factory....pretty much the same thing!! Had a good time though. Lots of area left to hunt there. It would only be more perfect if it was a Ball brand canning factory...... I did find a nice trade token there though