NPS Window Repair Guidance
Handout: NPS Technical Preservation Services Window Repair Guidance The Prince George’s County Historic Preservation Commission and MAHDC hosted "Windows in Historic Buildings: Considerations for a Reasonable Approach to Preservation," with speaker John Sandor, Architectural Historian, Technical Preservation Services Division of the National Park Service, on September 25, 2017 at the Newton White Mansion. The session addressed: [...]