Updated yellow, black, white and blue lumberjack carrying a yellow, black and white ax above blue initials “NAU” with yellow mountains inside the letter “A” and wordmark “LUMBERJACKS” in blue.

A blue with white and green trim initials “NAU” over a yellow, blue and grey ax and a wordmark “LUMBERJACKS” in white all on a blue background.

A blue, white, green and yellow lumberjack holding a white and blue ax leaning on a blue freshly cut tree trunk with the initials “NAU” in yellow.