The effect of nonresponse on representatives of wilderness-trail register information
By: by Wiley D. Wenger, Jr., and H. M. Gregersen
Series: United States Forest Service research paper -- PNW-17; U.S. Forest Service research paper PNW -- 17.
Publisher: Pacific Northwest Forest and Range Experiment Station, Forest Service
Published: 1964
Place of publication: Portland Or
Language: eng
Number of pages: 20
Subjects: Wilderness areas