I'm going to say that it is probably white ash.
a clearer shot of the bark pattern would help, since elm and ash have similar bark.
as for using it to smoke, i have no idea how it'll work. i use cherry or apple
Take lots of naps now. You'll wish you had later.
Brinkmann Dual function grill, Weber SJS converted to mini WSM, a 18.5" WSM, 18.5" Frankenweber pizza oven & a super-duper fast flame thermapen.