Compilation of the administrative policies for the national parks and national monuments of scientific significance
Subtitle: natural area category.
Edition: Rev.
Publisher: For sale by the Supt. of Docs., U.S. Govt. Print. Off.
Published: 1968
Place of publication: Washington
Language: eng
Number of pages: 138
Subjects: National parks and reserves -- United States -- Management.; Natural areas -- United States -- Management.
Other titles: Administrative policies for natural areas of the national park system.
Notes: Cover title: Administrative policies for natural areas of the national park system.