I know two things about Northern Arizona football. They're located near the mountains in Flagstaff, Arizona, and their nickname is the Lumberjacks.
Fortunately, Northern Arizona has decided to feature those two facts prominently in their new logo. Bathed in their familiar blue and gold, the new logo features the school's NAU initials with a mountain placed in the negative space of the capital A, with the head of a lumberjack's axe enveloping the logo's perimeter.
Here's the secondary logo: