tree id's

[DVSHUNTER]

I've got a few tree on my jobsite I have to remove. I think they are elm and black locust, but I'm not sure. Think you guys can help?

[Dean Marlow]

The first pic is Black locust. The last pic looks like some kind of Elm but not sure. Dean

[KellyG]

Yep elm and black locust.

[Dan Landis]

First is BL, 2nd looks like elm to me....Dan

[Roy from Pa]

1st is Black Locust, 2nd looks like Mongolian Tulip for sure.

[shawnee]

Black locust and elm.  The next to last pic of the leaf on the ground...definitely an elm leaf.