National park survey : the interpretive programs of the national parks; their development, present status, and reception by the public /

Bibliographic Details
Main Author: Clark, William Farnsworth, 1921-
Format: Thesis Microform Book
Language:English
Published: [Place of publication not identified] : [publisher not identified] ; 1949.
Subjects:
Description
Item Description:Microform.
Physical Description:2 volumes (510 pages, 22 unnumbered leaves)
Bibliography:Includes bibliographical references.