Access Restricted Archival objects in this container: Exhibit plans: correspondence, blueprints, maps, proposals, photographs and negatives, 1986 to 1993 NHC grant files, 1982 to 1986 Reprints, 1961 to 1993 General administrative files, 1984 to 1986 National Trust for Historic Preservation (NTHP) files, 1993 Visitor Center blueprints, approximately 1980 to 1989
