Improving estimates of wilderness use from mandatory travel permits
By: David W. Lime and Grace A. Lorence.
Contributors: Lorence, Grace A.; North Central Forest Experiment Station (Saint Paul, Minn.)
Series: USDA Forest Service research paper NC -- 101
Publisher: North Central Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture
Published: 1974
Place of publication: [Saint Paul, Minn.]
Language: eng
Subjects: Wilderness areas -- Recreational use.; Licenses.
Notes: Cover title.

Bibliography: p. 7.