Guidelines for restricting information about historic and prehistoric resources.
Contributors: United States. National Park Service. Interagency Resources Division.
Series: National Register bulletin -- 29.
Publisher: U.S. Dept. of the Interior, National Park Service, Interagency Resources Division
Published: 1989
Place of publication: [Washington, DC]
Language: eng
Subjects: National Register of Historic Places.; Historic buildings -- United States -- Conservation and restoration -- Handbooks, manuals, etc.; Historic sites -- United States -- Conservation and restoration -- Handbooks, manuals, etc.
Notes: Caption title.

Shipping list no.: 89-746-P.

Includes bibliographical references (p. 7).