2018 Masonry Cleaning Workshop with APTi
2017 Energy Efficiency of Historic Sites
2016 Digital Documentation for Heritage Preservation
2015 Jewels of Light Stained Glass Conference
2014 The Challenges of Preserving Modern Materials and Assemblies
2013 Disaster Preparedness, Response, and Recovery for Cultural Resources
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APT DC is a 501(c)3 non-profit organization based in Washington, DC.