Trends in camping participation
By: by Wilbur F. LaPage and Dale P. Ragain.
Contributors: Ragain, Dale P.; United States. Forest Service.
Series: Research paper NE -- 183.
Publisher: Northeastern Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture
Published: 1971
Place of publication: Upper Darby, Pa
Language: eng
Number of pages: 22
Subjects: Camping -- Statistics
Genres: Statistics.
Notes: Cover title.

Bibliography: p. 20.