Color of Bark

Is the bark dirty yellow to bronze or reddish-brown and scaly?

Dirty yellow to bronze bark

Is the bark dirty yellow to bronze; found in northern Iowa; twigs have wintergreen smell and taste; leaf petiole (stem) is hairy.

OR

Reddish-brown and scaly bark

Is the bark reddish-brown and scaly; found in southern Iowa; leaf base is wedged shaped.