Poston, Arizona. Doctor George S. Kido, PhD from the University of California, is shown supervising . . .; Scope and content: The full caption for this photograph reads: Poston, Arizona. Doctor George S. Kido, PhD from the University of California, is shown supervising the use of his mosquito control machine. Here they are treating a pond in the campaign to rid Poston of the mosquito menace. The mosquitos in this section of the country are potential carriers of encephalitis, which is a form of sleeping sickness, but as yet, no cases of this disease have appeared.

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Photo credit: © Tango Images / Alamy / Afripics
License: Licensed
Model Released: No

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