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National Center for Preservation Technology and Training Technology Serving the Future of America’s Heritage www.ncptt.nps.gov/products © 2008 NCPTT Development and Tesng of Organic Coangs for the Preservaon of Outdoor Bronze Sculpture from Air-Pollutant Enhanced Corrosion - Phase 3 Professor Gordon P. Bierwagen Graduate Assistant Tara J. Shedlosky North Dakota State University Image by Earl - What I Saw 2.0 on Flickr
