Photos from the WFIWC Archives:
Yellowstone National Park

Tom Terrell (kneeling) at winch used to raise a U.S. Weather Bureau kite containing a net (lower left) to 8,000 ft above ground at Big Hole Basin, Montana, during study of mountain pine beetle flight in 1933. A massive outbreak of the beetle was in progress and thought to be headed for Yellowstone N.P. During 29-1/2 hours of trapping, only two bark beetles were caught, and neither was a mountain pine beetle. (Furniss & Renkin 2003, Figure 14). Coeur d'Alene FIL photo no. 768 from WFIWC archives.

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