Scene shows airplane crashed into "snow" with about 14 motion picture company employees nearby. Printed on side of plane is: PIERCE+RONDELLE ANTARCTIC EXPEDITION. This was at Arcadia County Park area and according to Ray Ramuz at Arcadia Nursery who was a small boy at the time, "snow" was bleached corn flakes.

https://arcadiahistory.andornot.com/en/permalink/photographs870