Particulates Matter Mail Art Exhibition
Earth Day
April 22nd 2009
California EPA Headquarters
1001 I Street
Sacramento, CA 95814

Friday, August 1, 2008

William L Philyaw - KA, USA

A visually stunning digital print from William Philyaw highlighting industry as a source of PM and pollen as a component of PM. The postcard was shipped inside the envelope pictured at the bottom. Kudos on the vintage stamps as well, William.

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