This looks to be the trail above 11000 ft near the place marked as 
Motorcycle Hill on the modern map (I have no memory of that name from the 
trip).  We are now on our way to the major campsite at just over 14000 ft.
 Digitized from film.  Digitization information:
 
 Date: 2023:10:02 22:19:39
         File: wDenali_Tray_045.jpg 
Camera: PENTAX K-5 -- Lens: - at 100.0 mm -- Exposure: 1/15  f/8.0  ISO 800