Index of the National Park System and affiliated areas as of January 1, 1975.
Publisher: National Park Service, U.S. Dept. of the Interior : for sale by the Supt. of Docs., U.S. Govt. Print Off.
Published: 1975
Place of publication: [Washington
Language: eng
Number of pages: 134
Subjects: National parks and reserves -- United States -- Directories.
Notes: Includes index.