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Daily Archive for August 21st, 2012

The EPA Saves Pittsburgh

Via Bradley and Fullmer, here is a chart of “Settleable Dust” in Pittsburgh, PA from 1925-1965: Sorry the quality is not better, it is from a bad scan on a bad scanner. I suppose the canned response to this is that the EPA encouraged global trade in steel from 1925-1965 and that all of the […]

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