Today we join NCPTT's Jenny Hay as she speaks with Jill Cowley, Historic Landscape Architect for the Intermountain Region of the National Park Service.

Reedy serves as Director of the Laboratory for Analysis of Cultural Materials in the Center for Historic Architecture and Design at the University of Delaware. Today we are talking to Chandra about the importance of thin section petrography for conservation.

Today we join NCPTT's Jenny Hay as she speaks with Cindy Brandimarte, Director of the Historic Sites and Structures Program in the State Parks Division of the Texas Parks & Wildlife Department. In the first installment of this two-part series, they'll talk about the iconic landscape of the Civilian Conservation Corps and their role in the development of the Texas State Park system.

Today we join NCPTT's Jason Church as he speaks with Marshall Millet, owner of Mmars 4-D to discuss Millet's work with U.C. Davis and the KeckCAVES visualization facility.

Karen Pavelka, a lecturer in the School of Information at the University of Texas at Austin, talks about her experiences helping to setup a conservation lab at the Cultural Recovery Center in Port-au-Prince, Haiti.

Andy DeGruchy of LimeWorks U.S. discusses the role of lime mortar and why this material is still important today.

Dr. Diana Greenlee, adjunct assistant professor at the University of Louisiana at Monroe and station archaeologist at the Poverty Point National Monument, discusses dendrogeomorphology to investigate earthwork stability at Poverty Point.

Steven Gonzales, Executive Director of the El Camino Real de los Tejas National Historic Trail Association, discusses the curriculum development and trail stewardship projects being supported by the “America’s Best Ideas” grant.

John Watson, Instruments Conservator and Associate Curator at the Colonial Williamsburg Foundation, discusses the special considerations of conservation when artifacts remain in use.

Aaron Lubeck, author of Green Restorations, discusses his presentation entitled, “How We Are –and Are Not– Adaptively Reusing Cities in America.”

Patrick Sparks, an engineer with Sparks Engineering Incorporated and President of Texas Dancehall Preservation Incorporated, discusses the restoration of the historic Hay Street Bridge in San Antonio and the work of the preservation organization.

Barry Stiefel, Professor in the Humanities and Social Sciences at the College of Charleston and Clemson University, discusses sustainability in preservation.

Derek Patton, Assistant Professor in the School of Polymers and High Performance Materials at The University of Southern Mississippi, discusses a National Science Foundation grant to advance the science of stone preservation.

NCPTT’s Jeff Guin interviews Jill Gotthelf, coordinator of an NCPTT-sponsored workshop, and John Anderson, instructional engineer at Robert Silman Associates, at the 2010 Association for Preservation Technology conference.

Kit Arrington, digital library specialist at the Library of Congress, discusses how the Library of Congress digitizes and shares documents online for long-term public access.

Robert Melnick, professor of landscape architecture at the University of Oregon and author of the article, “Climate Change and Landscape Preservation: A Twenty-first-century Conundrum", discusses topics addressed in the article.

Tony Rajer, Art Conservator with the Nek Chand Foundation and a conservation professor at the University of Wisconsin, discusses his interest in folk art and his work with the Rock Garden in Chandigarh, India.

In this audio file, NCPTT summer interns discuss their research. Rust conversion, herbicide usage, paint removal, and landscape maintenance are the topics discussed.

Aaron Lubeck, author of the book, Green Restorations, discusses his book and how it connects the sustainability movement with historic preservation.

Carla Schroer of Cultural Heritage Imaging discusses 3D digital rock art documentation and preservation. Techniques such as reflection transformation imaging and photogrammetry are covered.

Eric Schindelholz, a conservator in private practice who specializes in metals and marine archaeological materials, discusses supercritical drying.

Guy Sternberg, a certified arborist and retired landscape architect, discusses how he rallied to save a historic tree in Kewanee, Illinois.

Dennis Pogue at Mount Vernon discusses the restoration and grounds at Mount Vernon National Historic Landmark.

Moss Rudley, an exhibit specialist with the masonry division at the Historic Preservation Training Center (HPTC), discusses the role of HPTC in the National Park Service including work they are doing with the historic building material bousillage.

The West Ward Urban Ecology Project and the Green Design Laboratory are discussed by urban conservator Tom Jones.