Welcome to TreasureNet, oakhunter27

and another marvellous round-up of T'Net's archival threads by BigCy

I notice these 'new' ones are not as solid as the others found previously.
But with such similar 'top' ends, I guess they probably have the same use.
In my limited knowledge, I don't think they are stoppers for caustic-bearing carboys.
oakhunter mate, Can you tell us the history of the area of the river where you found this? Any particular industry of any sort been around in recent or longer times?
Moonshine included!
Cheers, Mike trikikiwi thanks there has been indians here forever there was a saw mill about 500 yards on the hill above it and a farm that dates 1860 till now and there was the war of 1812 camp site there about 4000 to 6000 troops camped therr