National historic landmarks
Subtitle: a preservation program of the National Park Service : supplement to the 1976 listings.
Series: NPS publication ; 182
Publisher: Dept. of the Interior, National Park Service, Office of Archeology and Historic Preservation, Historic Sites Survey
Published: 1977
Place of publication: Washington
Language: eng
Number of pages: 30
Subjects: Historic sites -- United States.; National monuments -- United States.