They are plentiful and Will and I have found plenty between us.We average probably six a year between us..
Decided it was to hot to dig so I waded the stream that borders b my dig site..I found this in about 2' of water and it's about 14" long..I believe this is an unfinished adze...my pictures are weak but I believe you can see what they were going for...mjmView attachment 1609956
The example I showed was definitely a rough draft.Adzes and gouges are designed out of various types of stone and degrees of workmanship...sometimes you just don't find the finished product..mjm