Fresno, CA, circa 1972 - I heard it on the grapevine line
By Bob MacHann; posted May 15, 2019
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This biplane is sulphur-dusting grape vines in Fresno, California, circa 1972. The photo comes from the EPA's 'Documerica' series, documenting pollution in America from the late 1960s to the end of the 1970s.