National historic landmarks
Subtitle: a preservation program of the National Park Service. Supplement to the 1976 listings.
Contributors: United States. National Park Service.; Historic Sites Survey (U.S.)
Publisher: Historic Sites Survey, Office of Archeology and Historic Preservation, National Park Service, U.S. Dept. of the Interior
Published: 1977
Place of publication: Washington, D.C
Language: eng
Number of pages: 30
Subjects: Historic sites -- United States -- Directories.; United States -- Directories.