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Travel and the national parks : an economic study /

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Bibliographic Details
Main Author: Swanson, Ernst W. (Ernst Werner), 1904-
Format: Book
Language:English
Published: [Washington, D.C.] : [National Park Service], [1969]
Subjects:
Tourism > United States.
National parks and reserves > United States.
Description
Physical Description:39 pages, 1 unnumbered page : illustrations ; 23 cm.
Bibliography:Bibliography: pages 38-[40].