Taking that a bit further...
Guys tend to project the trees they KNOW into 'Tree ID Picture Threads' without any regard to where the ID question is coming from. I remember such a thread originating in Washington State where the wood in question had been ID'd by a local as cherry. Most everyone here was telling the guy it was not cheery, it was birch. It was ridiculous... birch don't grow in Washington. The problem was, most everyone here is familiar with wild Black Cherry (and birch)... I recognized it as wild Pin Cheery right off (which has bark much like birch). Pin Cheery grows mostly in Canada, Minnesota, Wisconsin, Michigan, and the far Northeast US... it also grows in Northeast Iowa where I live.
I did a quick check before I tossed out my ID opinion... yep, there's was a finger of native wild Pin Cherry that follows the mountains down out of Canada into Washington... and that finger was exactly where the guy was cutting his wood. That thread went on for near three pages with guys arguing with me... and they kept posting pictures of wild Black Cheery and birch that doesn't grow in Washington to prove I was wrong. Finally, someone from Wisconsin (if I remember correctly) chimed in and backed my ID opinion. Pin Cheery ain't anything like Black Cheery, it pops-up like weeds, invading fields and pastures (much like Sumac); anyone who farms around wooded areas in Pin Cheery country hates the stuff... and it ain't near as good firewood as Black Cheery (ain't even in the same ball park).
Rock Elm is still prolific on the north side of Lakes Erie and Ontario (the poster who ID'd your wood as Rock Elm is from Canada)... on the south side it was never even remotely a common tree. I'm not sayin' there's absolutely no Rock Elm on the south side, anything is possible... but... what are the odds?? Rock Elm likes a specific soil condition; 'round here it's found growing where almost no other tree can survive... rocky limestone bluffs and hilltops, sometimes growing in the bare limestone itself (after all, it is called Rock Elm).
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