Photographic techniques for monitoring resource change at backcountry sites
By: Les Brewer, Debbie Berrier
Contributors: Berrier, Debbie; Northeastern Forest Experiment Station (Radnor, Pa.)
Series: General technical report NE -- 86
Publisher: U.S. Dept. of Agriculture, Forest Service, Northeastern Forest Experiment Station
Published: 1984
Place of publication: Broomall, Pa
Language: eng
Number of pages: 13
Subjects: Photography; Wilderness areas -- Recreational use
Notes: Distributed to depository libraries in microfiche

Bibliography: p. 13