Use trends indicated by statistically calibrated recrational sites in the national forest system
By: [Gary L. Tyre].
Series: Research note SE -- 168.; Research note SE -- 168.
Publisher: Southeastern Forest Experiment Station, U.S. Dept. of Agriculture, Forest Service
Published: 1971
Place of publication: Asheville, N.C
Language: eng
Subjects: Recreation sites -- Public use -- Statistical methods; Forest reserves -- Recreational use -- Statistical methods
Notes: Caption title.

"November 1971."

Includes bibliographical references (p. [4]).