Aspen is a post office and station on the Union Pacific Railroad, 16 miles east of Evanston, the nearest banking point. Aspen or Aspen Hill was named from 'Quaken' Aspen Hill as it was known to the early emigrants because of many groves of Aspen trees which grew there. Aspen is a shipping point, and a center for sheep raising, which is the principal industry. (WPA) Named for Aspen or Quaking Aspen Hill nearby. (Annals of Wyoming 14:3)