1 results containing "Air pollution--1970-1980."
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Save our planet--Save our air
c1971. | 1 photomechanical print (poster) | O'Keeffe, Georgia, 1887-1986POS - US .O39, no. 7 (C size) [P&P] | LC-USZC4-5051 (color film copy transparency)
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