Collection Item Summary:
View of U. S. Air Mail lighting beacon (5 million candlepower) facility located atop Sherman Hill (8,600 ft above sea level) between Cheyenne and Laramie, Wyoming, circa mid to late 1920s. One-half left front view from below of Dayton Wright DH-4 air mail biplane in banking flight at upper left.
Collection Item Long Description:
- Air mail service