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Documerica Project

By: Catie Leary on March 26, 2010, 12:37 p.m.
A bumper sticker — “Fight Smog! Ride a Horse”

Photo: Wil Blanche/EPA/NARA

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Sound advice

A bumper sticker — “Fight Smog! Ride a Horse” — is displayed on a car in a lot on West Street in Lower Manhattan in New York City in May 1973.