My apologies for a crappy picture. Pile of mulberry and whatever this stuff is over at the bus yard where I work. I picked most of the mulberry but wasn't sure what this was. Could it be some kind of locust?
Based on just the bark, I’d say it’s probably black locust. Siberian elm and old mulberry also have similar bark though.
I hope so, suppose to be good stuff. I grabbed a bit just in case! There is a bit of it left, had been sitting around for a while & starting to get a little punky but I think most of it might be ok so might head back