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Soiling Patterns on a Tall Limestone Building: Changes Over Sixty Years (2000-13)

Soiling Patterns on a Tall Limestone Building: Changes Over Sixty Years (2000-13)

22 September 2008 by NCPTT

Soiling of limestone caused by air pollution has been studied at the Cathedral of Learning on the University of Pittsburgh campus. The Cathedral was constructed in the 1930s during a period of heavy pollution in Pittsburgh, PA.


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