Map of the US w.Martini glasses either empty or filled w. varied portions of black liquid representing the amount of air particulates in the state on which they rest As a result of the US Dept. of Health's "Air Pollution Measurements fr. 1957-1961.
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Details
Title: Air Pollution
Date: 1963-11, 1963
Location: US
Physical Dimensions: B/W NEGATIVE
Subject Keywords: Air Pollution, Pollution, 1960s, Maps, Us, Air, 1960s