[Processed. 1941 season.] † Distribution Made by Issuing Office.
Notes:
Grand Canyon National Park, Emery C. Kolb. [1]+2 leaves. I 29.33:G 76 c/7/941
Grand Teton National Park, Crandall Studios. [1]+2 leaves I 29.33:G 76 t/3/941
Grand Teton National Park, Fred Brown. [1]+2 leaves. I 29.33:G 76 t/6/941
Grand Teton National Park, Paul Petzoldt. [1]+3 leaves. I 29.33:G 76 t/7/941
Yellowstone National Park, Yellowstone Park Company. [2] leaves. [Schedule of winter bus rates, 1940-41 season.] I 29.33:Y 3/9/940-41