It certainly looks like an Elm to me, but to get any further with the id you'll need to give us much more info, flowers, seeds, new buds. The similarities between different Elms are not that great. But basically from what you've shown Ulmus (possibly americana)
__________________ Sean Trees are poems that earth writes upon the sky,
We fell them down and turn them into paper,
That we may record our emptiness.
- Kahlil Gibran |