Only
fairly? Hickory would be about like lead. That bark pic you posted is a dead ringer, although bark can vary quite a bit within the same species.
Well, if you're going to insist, maybe I'm jumping wagons.
I've only cut one small American Elm here....lotta Red Elm though. I thought American also had the less deeply-furrowed bark, like the Red. I thought I saw some darker heartwood in the pics but that might be a 'pic illusion'.
Similar but usually you'll see more of a 'diamond' pattern in White Ash bark, and the splits look much different in color and texture. I'm not familiar with the other Ashes.
Not all that great, either. I wouldn't bank on it for next fall here by any means, but maybe wood dries quicker down there....